18434104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 39364920

約数和(自身を除く): 20930816

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 491, 494, 722, 982, 988, 1444, 1964, 1976, 2888, 3928, 4693, 6383, 9329, 9386, 12766, 18658, 18772, 25532, 37316, 37544, 51064, 74632, 121277, 177251, 242554, 354502, 485108, 709004, 970216, 1418008, 2304263, 4608526, 9217052, 18434104]

約数ペア:

[(1, 18434104), (2, 9217052), (4, 4608526), (8, 2304263), (13, 1418008), (19, 970216), (26, 709004), (38, 485108), (52, 354502), (76, 242554), (104, 177251), (152, 121277), (247, 74632), (361, 51064), (491, 37544), (494, 37316), (722, 25532), (982, 18772), (988, 18658), (1444, 12766), (1964, 9386), (1976, 9329), (2888, 6383), (3928, 4693)]