18942360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3671}}^1$

素因数の和:3728

約数の個数: 64

約数和(自身を含む): 58164480

約数和(自身を除く): 39222120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3671, 5160, 7342, 11013, 14684, 18355, 22026, 29368, 36710, 44052, 55065, 73420, 88104, 110130, 146840, 157853, 220260, 315706, 440520, 473559, 631412, 789265, 947118, 1262824, 1578530, 1894236, 2367795, 3157060, 3788472, 4735590, 6314120, 9471180, 18942360]

約数ペア:

[(1, 18942360), (2, 9471180), (3, 6314120), (4, 4735590), (5, 3788472), (6, 3157060), (8, 2367795), (10, 1894236), (12, 1578530), (15, 1262824), (20, 947118), (24, 789265), (30, 631412), (40, 473559), (43, 440520), (60, 315706), (86, 220260), (120, 157853), (129, 146840), (172, 110130), (215, 88104), (258, 73420), (344, 55065), (430, 44052), (516, 36710), (645, 29368), (860, 22026), (1032, 18355), (1290, 14684), (1720, 11013), (2580, 7342), (3671, 5160)]