18921567999

素因数分解:

$3^1\times {\mathrm{617}}^1\times {\mathrm{2957}}^1\times {\mathrm{3457}}^1$

素因数の和:7034

約数の個数: 16

約数和(自身を含む): 25285504608

約数和(自身を除く): 6363936609

約数列:

[1, 3, 617, 1851, 2957, 3457, 8871, 10371, 1824469, 2132969, 5473407, 6398907, 10222349, 30667047, 6307189333, 18921567999]

約数ペア:

[(1, 18921567999), (3, 6307189333), (617, 30667047), (1851, 10222349), (2957, 6398907), (3457, 5473407), (8871, 2132969), (10371, 1824469)]