18859048

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 40698000

約数和(自身を除く): 21838952

約数列:

[1, 2, 4, 8, 13, 26, 29, 37, 52, 58, 74, 104, 116, 148, 169, 232, 296, 338, 377, 481, 676, 754, 962, 1073, 1352, 1508, 1924, 2146, 2197, 3016, 3848, 4292, 4394, 4901, 6253, 8584, 8788, 9802, 12506, 13949, 17576, 19604, 25012, 27898, 39208, 50024, 55796, 63713, 81289, 111592, 127426, 162578, 181337, 254852, 325156, 362674, 509704, 650312, 725348, 1450696, 2357381, 4714762, 9429524, 18859048]

約数ペア:

[(1, 18859048), (2, 9429524), (4, 4714762), (8, 2357381), (13, 1450696), (26, 725348), (29, 650312), (37, 509704), (52, 362674), (58, 325156), (74, 254852), (104, 181337), (116, 162578), (148, 127426), (169, 111592), (232, 81289), (296, 63713), (338, 55796), (377, 50024), (481, 39208), (676, 27898), (754, 25012), (962, 19604), (1073, 17576), (1352, 13949), (1508, 12506), (1924, 9802), (2146, 8788), (2197, 8584), (3016, 6253), (3848, 4901), (4292, 4394)]