18863960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24821}}^1$

素因数の和:24851

約数の個数: 32

約数和(自身を含む): 44679600

約数和(自身を除く): 25815640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24821, 49642, 99284, 124105, 198568, 248210, 471599, 496420, 943198, 992840, 1886396, 2357995, 3772792, 4715990, 9431980, 18863960]

約数ペア:

[(1, 18863960), (2, 9431980), (4, 4715990), (5, 3772792), (8, 2357995), (10, 1886396), (19, 992840), (20, 943198), (38, 496420), (40, 471599), (76, 248210), (95, 198568), (152, 124105), (190, 99284), (380, 49642), (760, 24821)]