19862840

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{829}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 44820000

約数和(自身を除く): 24957160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 829, 1198, 1658, 2396, 2995, 3316, 4145, 4792, 5990, 6632, 8290, 11980, 16580, 23960, 33160, 496571, 993142, 1986284, 2482855, 3972568, 4965710, 9931420, 19862840]

約数ペア:

[(1, 19862840), (2, 9931420), (4, 4965710), (5, 3972568), (8, 2482855), (10, 1986284), (20, 993142), (40, 496571), (599, 33160), (829, 23960), (1198, 16580), (1658, 11980), (2396, 8290), (2995, 6632), (3316, 5990), (4145, 4792)]