18306390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 46987776

約数和(自身を除く): 28681386

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 617, 645, 690, 989, 1234, 1290, 1851, 1978, 2967, 3085, 3702, 4945, 5934, 6170, 9255, 9890, 14191, 14835, 18510, 26531, 28382, 29670, 42573, 53062, 70955, 79593, 85146, 132655, 141910, 159186, 212865, 265310, 397965, 425730, 610213, 795930, 1220426, 1830639, 3051065, 3661278, 6102130, 9153195, 18306390]

約数ペア:

[(1, 18306390), (2, 9153195), (3, 6102130), (5, 3661278), (6, 3051065), (10, 1830639), (15, 1220426), (23, 795930), (30, 610213), (43, 425730), (46, 397965), (69, 265310), (86, 212865), (115, 159186), (129, 141910), (138, 132655), (215, 85146), (230, 79593), (258, 70955), (345, 53062), (430, 42573), (617, 29670), (645, 28382), (690, 26531), (989, 18510), (1234, 14835), (1290, 14191), (1851, 9890), (1978, 9255), (2967, 6170), (3085, 5934), (3702, 4945)]