19924260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2389}}^1$

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 56212800

約数和(自身を除く): 36288540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2389, 2780, 4170, 4778, 7167, 8340, 9556, 11945, 14334, 23890, 28668, 35835, 47780, 71670, 143340, 332071, 664142, 996213, 1328284, 1660355, 1992426, 3320710, 3984852, 4981065, 6641420, 9962130, 19924260]

約数ペア:

[(1, 19924260), (2, 9962130), (3, 6641420), (4, 4981065), (5, 3984852), (6, 3320710), (10, 1992426), (12, 1660355), (15, 1328284), (20, 996213), (30, 664142), (60, 332071), (139, 143340), (278, 71670), (417, 47780), (556, 35835), (695, 28668), (834, 23890), (1390, 14334), (1668, 11945), (2085, 9556), (2389, 8340), (2780, 7167), (4170, 4778)]