19917144

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 61387200

約数和(自身を除く): 41470056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 41, 52, 54, 72, 78, 82, 104, 108, 117, 123, 156, 164, 173, 216, 234, 246, 312, 328, 346, 351, 369, 468, 492, 519, 533, 692, 702, 738, 936, 984, 1038, 1066, 1107, 1384, 1404, 1476, 1557, 1599, 2076, 2132, 2214, 2249, 2808, 2952, 3114, 3198, 4152, 4264, 4428, 4498, 4671, 4797, 6228, 6396, 6747, 7093, 8856, 8996, 9342, 9594, 12456, 12792, 13494, 14186, 14391, 17992, 18684, 19188, 20241, 21279, 26988, 28372, 28782, 37368, 38376, 40482, 42558, 53976, 56744, 57564, 60723, 63837, 80964, 85116, 92209, 115128, 121446, 127674, 161928, 170232, 184418, 191511, 242892, 255348, 276627, 368836, 383022, 485784, 510696, 553254, 737672, 766044, 829881, 1106508, 1532088, 1659762, 2213016, 2489643, 3319524, 4979286, 6639048, 9958572, 19917144]

約数ペア:

[(1, 19917144), (2, 9958572), (3, 6639048), (4, 4979286), (6, 3319524), (8, 2489643), (9, 2213016), (12, 1659762), (13, 1532088), (18, 1106508), (24, 829881), (26, 766044), (27, 737672), (36, 553254), (39, 510696), (41, 485784), (52, 383022), (54, 368836), (72, 276627), (78, 255348), (82, 242892), (104, 191511), (108, 184418), (117, 170232), (123, 161928), (156, 127674), (164, 121446), (173, 115128), (216, 92209), (234, 85116), (246, 80964), (312, 63837), (328, 60723), (346, 57564), (351, 56744), (369, 53976), (468, 42558), (492, 40482), (519, 38376), (533, 37368), (692, 28782), (702, 28372), (738, 26988), (936, 21279), (984, 20241), (1038, 19188), (1066, 18684), (1107, 17992), (1384, 14391), (1404, 14186), (1476, 13494), (1557, 12792), (1599, 12456), (2076, 9594), (2132, 9342), (2214, 8996), (2249, 8856), (2808, 7093), (2952, 6747), (3114, 6396), (3198, 6228), (4152, 4797), (4264, 4671), (4428, 4498)]