19080450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 72

約数和(自身を含む): 51866100

約数和(自身を除く): 32785650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 109, 150, 218, 225, 327, 389, 450, 545, 654, 778, 981, 1090, 1167, 1635, 1945, 1962, 2334, 2725, 3270, 3501, 3890, 4905, 5450, 5835, 7002, 8175, 9725, 9810, 11670, 16350, 17505, 19450, 24525, 29175, 35010, 42401, 49050, 58350, 84802, 87525, 127203, 175050, 212005, 254406, 381609, 424010, 636015, 763218, 1060025, 1272030, 1908045, 2120050, 3180075, 3816090, 6360150, 9540225, 19080450]

約数ペア:

[(1, 19080450), (2, 9540225), (3, 6360150), (5, 3816090), (6, 3180075), (9, 2120050), (10, 1908045), (15, 1272030), (18, 1060025), (25, 763218), (30, 636015), (45, 424010), (50, 381609), (75, 254406), (90, 212005), (109, 175050), (150, 127203), (218, 87525), (225, 84802), (327, 58350), (389, 49050), (450, 42401), (545, 35010), (654, 29175), (778, 24525), (981, 19450), (1090, 17505), (1167, 16350), (1635, 11670), (1945, 9810), (1962, 9725), (2334, 8175), (2725, 7002), (3270, 5835), (3501, 5450), (3890, 4905)]