19782040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26029}}^1$

素因数の和:26059

約数の個数: 32

約数和(自身を含む): 46854000

約数和(自身を除く): 27071960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26029, 52058, 104116, 130145, 208232, 260290, 494551, 520580, 989102, 1041160, 1978204, 2472755, 3956408, 4945510, 9891020, 19782040]

約数ペア:

[(1, 19782040), (2, 9891020), (4, 4945510), (5, 3956408), (8, 2472755), (10, 1978204), (19, 1041160), (20, 989102), (38, 520580), (40, 494551), (76, 260290), (95, 208232), (152, 130145), (190, 104116), (380, 52058), (760, 26029)]