19153550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 38955840

約数和(自身を除く): 19802290

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 373, 395, 650, 746, 790, 1027, 1865, 1975, 2054, 3730, 3950, 4849, 5135, 9325, 9698, 10270, 18650, 24245, 25675, 29467, 48490, 51350, 58934, 121225, 147335, 242450, 294670, 383071, 736675, 766142, 1473350, 1915355, 3830710, 9576775, 19153550]

約数ペア:

[(1, 19153550), (2, 9576775), (5, 3830710), (10, 1915355), (13, 1473350), (25, 766142), (26, 736675), (50, 383071), (65, 294670), (79, 242450), (130, 147335), (158, 121225), (325, 58934), (373, 51350), (395, 48490), (650, 29467), (746, 25675), (790, 24245), (1027, 18650), (1865, 10270), (1975, 9698), (2054, 9325), (3730, 5135), (3950, 4849)]