19379960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15629}}^1$

素因数の和:15671

約数の個数: 32

約数和(自身を含む): 45014400

約数和(自身を除く): 25634440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15629, 31258, 62516, 78145, 125032, 156290, 312580, 484499, 625160, 968998, 1937996, 2422495, 3875992, 4844990, 9689980, 19379960]

約数ペア:

[(1, 19379960), (2, 9689980), (4, 4844990), (5, 3875992), (8, 2422495), (10, 1937996), (20, 968998), (31, 625160), (40, 484499), (62, 312580), (124, 156290), (155, 125032), (248, 78145), (310, 62516), (620, 31258), (1240, 15629)]