19980181008

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{36389}}^1$

素因数の和:36478

約数の個数: 160

約数和(自身を含む): 60646118400

約数和(自身を除く): 40665937392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 41, 48, 54, 62, 72, 82, 93, 108, 123, 124, 144, 164, 186, 216, 246, 248, 279, 328, 369, 372, 432, 492, 496, 558, 656, 738, 744, 837, 984, 1107, 1116, 1271, 1476, 1488, 1674, 1968, 2214, 2232, 2542, 2952, 3348, 3813, 4428, 4464, 5084, 5904, 6696, 7626, 8856, 10168, 11439, 13392, 15252, 17712, 20336, 22878, 30504, 34317, 36389, 45756, 61008, 68634, 72778, 91512, 109167, 137268, 145556, 183024, 218334, 274536, 291112, 327501, 436668, 549072, 582224, 655002, 873336, 982503, 1128059, 1310004, 1491949, 1746672, 1965006, 2256118, 2620008, 2983898, 3384177, 3930012, 4475847, 4512236, 5240016, 5967796, 6768354, 7860024, 8951694, 9024472, 10152531, 11935592, 13427541, 13536708, 15720048, 17903388, 18048944, 20305062, 23871184, 26855082, 27073416, 30457593, 35806776, 40282623, 40610124, 46250419, 53710164, 54146832, 60915186, 71613552, 80565246, 81220248, 92500838, 107420328, 121830372, 138751257, 161130492, 162440496, 185001676, 214840656, 243660744, 277502514, 322260984, 370003352, 416253771, 487321488, 555005028, 644521968, 740006704, 832507542, 1110010056, 1248761313, 1665015084, 2220020112, 2497522626, 3330030168, 4995045252, 6660060336, 9990090504, 19980181008]

約数ペア:

[(1, 19980181008), (2, 9990090504), (3, 6660060336), (4, 4995045252), (6, 3330030168), (8, 2497522626), (9, 2220020112), (12, 1665015084), (16, 1248761313), (18, 1110010056), (24, 832507542), (27, 740006704), (31, 644521968), (36, 555005028), (41, 487321488), (48, 416253771), (54, 370003352), (62, 322260984), (72, 277502514), (82, 243660744), (93, 214840656), (108, 185001676), (123, 162440496), (124, 161130492), (144, 138751257), (164, 121830372), (186, 107420328), (216, 92500838), (246, 81220248), (248, 80565246), (279, 71613552), (328, 60915186), (369, 54146832), (372, 53710164), (432, 46250419), (492, 40610124), (496, 40282623), (558, 35806776), (656, 30457593), (738, 27073416), (744, 26855082), (837, 23871184), (984, 20305062), (1107, 18048944), (1116, 17903388), (1271, 15720048), (1476, 13536708), (1488, 13427541), (1674, 11935592), (1968, 10152531), (2214, 9024472), (2232, 8951694), (2542, 7860024), (2952, 6768354), (3348, 5967796), (3813, 5240016), (4428, 4512236), (4464, 4475847), (5084, 3930012), (5904, 3384177), (6696, 2983898), (7626, 2620008), (8856, 2256118), (10168, 1965006), (11439, 1746672), (13392, 1491949), (15252, 1310004), (17712, 1128059), (20336, 982503), (22878, 873336), (30504, 655002), (34317, 582224), (36389, 549072), (45756, 436668), (61008, 327501), (68634, 291112), (72778, 274536), (91512, 218334), (109167, 183024), (137268, 145556)]