18419050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 37810080

約数和(自身を除く): 19391030

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 659, 1075, 1118, 1318, 2150, 2795, 3295, 5590, 6590, 8567, 13975, 16475, 17134, 27950, 28337, 32950, 42835, 56674, 85670, 141685, 214175, 283370, 368381, 428350, 708425, 736762, 1416850, 1841905, 3683810, 9209525, 18419050]

約数ペア:

[(1, 18419050), (2, 9209525), (5, 3683810), (10, 1841905), (13, 1416850), (25, 736762), (26, 708425), (43, 428350), (50, 368381), (65, 283370), (86, 214175), (130, 141685), (215, 85670), (325, 56674), (430, 42835), (559, 32950), (650, 28337), (659, 27950), (1075, 17134), (1118, 16475), (1318, 13975), (2150, 8567), (2795, 6590), (3295, 5590)]