19176460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 22554740

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 229, 265, 316, 395, 458, 530, 790, 916, 1060, 1145, 1580, 2290, 4187, 4580, 8374, 12137, 16748, 18091, 20935, 24274, 36182, 41870, 48548, 60685, 72364, 83740, 90455, 121370, 180910, 242740, 361820, 958823, 1917646, 3835292, 4794115, 9588230, 19176460]

約数ペア:

[(1, 19176460), (2, 9588230), (4, 4794115), (5, 3835292), (10, 1917646), (20, 958823), (53, 361820), (79, 242740), (106, 180910), (158, 121370), (212, 90455), (229, 83740), (265, 72364), (316, 60685), (395, 48548), (458, 41870), (530, 36182), (790, 24274), (916, 20935), (1060, 18091), (1145, 16748), (1580, 12137), (2290, 8374), (4187, 4580)]