18009680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17317}}^1$

素因数の和:17343

約数の個数: 40

約数和(自身を含む): 45096072

約数和(自身を除く): 27086392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17317, 34634, 69268, 86585, 138536, 173170, 225121, 277072, 346340, 450242, 692680, 900484, 1125605, 1385360, 1800968, 2251210, 3601936, 4502420, 9004840, 18009680]

約数ペア:

[(1, 18009680), (2, 9004840), (4, 4502420), (5, 3601936), (8, 2251210), (10, 1800968), (13, 1385360), (16, 1125605), (20, 900484), (26, 692680), (40, 450242), (52, 346340), (65, 277072), (80, 225121), (104, 173170), (130, 138536), (208, 86585), (260, 69268), (520, 34634), (1040, 17317)]