18988110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9173}}^1$

素因数の和:9209

約数の個数: 48

約数和(自身を含む): 51521184

約数和(自身を除く): 32533074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9173, 18346, 27519, 45865, 55038, 82557, 91730, 137595, 165114, 210979, 275190, 412785, 421958, 632937, 825570, 1054895, 1265874, 1898811, 2109790, 3164685, 3797622, 6329370, 9494055, 18988110]

約数ペア:

[(1, 18988110), (2, 9494055), (3, 6329370), (5, 3797622), (6, 3164685), (9, 2109790), (10, 1898811), (15, 1265874), (18, 1054895), (23, 825570), (30, 632937), (45, 421958), (46, 412785), (69, 275190), (90, 210979), (115, 165114), (138, 137595), (207, 91730), (230, 82557), (345, 55038), (414, 45865), (690, 27519), (1035, 18346), (2070, 9173)]