19058180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 23035900

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 521, 590, 620, 1042, 1180, 1829, 2084, 2605, 3658, 5210, 7316, 9145, 10420, 16151, 18290, 30739, 32302, 36580, 61478, 64604, 80755, 122956, 153695, 161510, 307390, 323020, 614780, 952909, 1905818, 3811636, 4764545, 9529090, 19058180]

約数ペア:

[(1, 19058180), (2, 9529090), (4, 4764545), (5, 3811636), (10, 1905818), (20, 952909), (31, 614780), (59, 323020), (62, 307390), (118, 161510), (124, 153695), (155, 122956), (236, 80755), (295, 64604), (310, 61478), (521, 36580), (590, 32302), (620, 30739), (1042, 18290), (1180, 16151), (1829, 10420), (2084, 9145), (2605, 7316), (3658, 5210)]