19300580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3948

約数の個数: 48

約数和(自身を含む): 45958080

約数和(自身を除く): 26657500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3907, 4940, 7814, 15628, 19535, 39070, 50791, 74233, 78140, 101582, 148466, 203164, 253955, 296932, 371165, 507910, 742330, 965029, 1015820, 1484660, 1930058, 3860116, 4825145, 9650290, 19300580]

約数ペア:

[(1, 19300580), (2, 9650290), (4, 4825145), (5, 3860116), (10, 1930058), (13, 1484660), (19, 1015820), (20, 965029), (26, 742330), (38, 507910), (52, 371165), (65, 296932), (76, 253955), (95, 203164), (130, 148466), (190, 101582), (247, 78140), (260, 74233), (380, 50791), (494, 39070), (988, 19535), (1235, 15628), (2470, 7814), (3907, 4940)]