18885384

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 61221420

約数和(自身を除く): 42336036

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 53, 56, 63, 72, 84, 98, 101, 106, 126, 147, 159, 168, 196, 202, 212, 252, 294, 303, 318, 371, 392, 404, 424, 441, 477, 504, 588, 606, 636, 707, 742, 808, 882, 909, 954, 1113, 1176, 1212, 1272, 1414, 1484, 1764, 1818, 1908, 2121, 2226, 2424, 2597, 2828, 2968, 3339, 3528, 3636, 3816, 4242, 4452, 4949, 5194, 5353, 5656, 6363, 6678, 7272, 7791, 8484, 8904, 9898, 10388, 10706, 12726, 13356, 14847, 15582, 16059, 16968, 19796, 20776, 21412, 23373, 25452, 26712, 29694, 31164, 32118, 37471, 39592, 42824, 44541, 46746, 48177, 50904, 59388, 62328, 64236, 74942, 89082, 93492, 96354, 112413, 118776, 128472, 149884, 178164, 186984, 192708, 224826, 262297, 299768, 337239, 356328, 385416, 449652, 524594, 674478, 786891, 899304, 1049188, 1348956, 1573782, 2098376, 2360673, 2697912, 3147564, 4721346, 6295128, 9442692, 18885384]

約数ペア:

[(1, 18885384), (2, 9442692), (3, 6295128), (4, 4721346), (6, 3147564), (7, 2697912), (8, 2360673), (9, 2098376), (12, 1573782), (14, 1348956), (18, 1049188), (21, 899304), (24, 786891), (28, 674478), (36, 524594), (42, 449652), (49, 385416), (53, 356328), (56, 337239), (63, 299768), (72, 262297), (84, 224826), (98, 192708), (101, 186984), (106, 178164), (126, 149884), (147, 128472), (159, 118776), (168, 112413), (196, 96354), (202, 93492), (212, 89082), (252, 74942), (294, 64236), (303, 62328), (318, 59388), (371, 50904), (392, 48177), (404, 46746), (424, 44541), (441, 42824), (477, 39592), (504, 37471), (588, 32118), (606, 31164), (636, 29694), (707, 26712), (742, 25452), (808, 23373), (882, 21412), (909, 20776), (954, 19796), (1113, 16968), (1176, 16059), (1212, 15582), (1272, 14847), (1414, 13356), (1484, 12726), (1764, 10706), (1818, 10388), (1908, 9898), (2121, 8904), (2226, 8484), (2424, 7791), (2597, 7272), (2828, 6678), (2968, 6363), (3339, 5656), (3528, 5353), (3636, 5194), (3816, 4949), (4242, 4452)]