19858920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2267}}^1$

素因数の和:2354

約数の個数: 64

約数和(自身を含む): 60419520

約数和(自身を除く): 40560600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2267, 2920, 4380, 4534, 6801, 8760, 9068, 11335, 13602, 18136, 22670, 27204, 34005, 45340, 54408, 68010, 90680, 136020, 165491, 272040, 330982, 496473, 661964, 827455, 992946, 1323928, 1654910, 1985892, 2482365, 3309820, 3971784, 4964730, 6619640, 9929460, 19858920]

約数ペア:

[(1, 19858920), (2, 9929460), (3, 6619640), (4, 4964730), (5, 3971784), (6, 3309820), (8, 2482365), (10, 1985892), (12, 1654910), (15, 1323928), (20, 992946), (24, 827455), (30, 661964), (40, 496473), (60, 330982), (73, 272040), (120, 165491), (146, 136020), (219, 90680), (292, 68010), (365, 54408), (438, 45340), (584, 34005), (730, 27204), (876, 22670), (1095, 18136), (1460, 13602), (1752, 11335), (2190, 9068), (2267, 8760), (2920, 6801), (4380, 4534)]