19733360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 48449280

約数和(自身を除く): 28715920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 109, 124, 146, 155, 218, 248, 292, 310, 365, 436, 496, 545, 584, 620, 730, 872, 1090, 1168, 1240, 1460, 1744, 2180, 2263, 2480, 2920, 3379, 4360, 4526, 5840, 6758, 7957, 8720, 9052, 11315, 13516, 15914, 16895, 18104, 22630, 27032, 31828, 33790, 36208, 39785, 45260, 54064, 63656, 67580, 79570, 90520, 127312, 135160, 159140, 181040, 246667, 270320, 318280, 493334, 636560, 986668, 1233335, 1973336, 2466670, 3946672, 4933340, 9866680, 19733360]

約数ペア:

[(1, 19733360), (2, 9866680), (4, 4933340), (5, 3946672), (8, 2466670), (10, 1973336), (16, 1233335), (20, 986668), (31, 636560), (40, 493334), (62, 318280), (73, 270320), (80, 246667), (109, 181040), (124, 159140), (146, 135160), (155, 127312), (218, 90520), (248, 79570), (292, 67580), (310, 63656), (365, 54064), (436, 45260), (496, 39785), (545, 36208), (584, 33790), (620, 31828), (730, 27032), (872, 22630), (1090, 18104), (1168, 16895), (1240, 15914), (1460, 13516), (1744, 11315), (2180, 9052), (2263, 8720), (2480, 7957), (2920, 6758), (3379, 5840), (4360, 4526)]