18619840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1925

約数の個数: 56

約数和(自身を含む): 45793152

約数和(自身を除く): 27173312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1877, 1984, 2480, 3754, 4960, 7508, 9385, 9920, 15016, 18770, 30032, 37540, 58187, 60064, 75080, 116374, 120128, 150160, 232748, 290935, 300320, 465496, 581870, 600640, 930992, 1163740, 1861984, 2327480, 3723968, 4654960, 9309920, 18619840]

約数ペア:

[(1, 18619840), (2, 9309920), (4, 4654960), (5, 3723968), (8, 2327480), (10, 1861984), (16, 1163740), (20, 930992), (31, 600640), (32, 581870), (40, 465496), (62, 300320), (64, 290935), (80, 232748), (124, 150160), (155, 120128), (160, 116374), (248, 75080), (310, 60064), (320, 58187), (496, 37540), (620, 30032), (992, 18770), (1240, 15016), (1877, 9920), (1984, 9385), (2480, 7508), (3754, 4960)]