18176960

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1381

約数の個数: 56

約数和(自身を含む): 44324016

約数和(自身を除く): 26147056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1321, 1376, 1720, 2642, 2752, 3440, 5284, 6605, 6880, 10568, 13210, 13760, 21136, 26420, 42272, 52840, 56803, 84544, 105680, 113606, 211360, 227212, 284015, 422720, 454424, 568030, 908848, 1136060, 1817696, 2272120, 3635392, 4544240, 9088480, 18176960]

約数ペア:

[(1, 18176960), (2, 9088480), (4, 4544240), (5, 3635392), (8, 2272120), (10, 1817696), (16, 1136060), (20, 908848), (32, 568030), (40, 454424), (43, 422720), (64, 284015), (80, 227212), (86, 211360), (160, 113606), (172, 105680), (215, 84544), (320, 56803), (344, 52840), (430, 42272), (688, 26420), (860, 21136), (1321, 13760), (1376, 13210), (1720, 10568), (2642, 6880), (2752, 6605), (3440, 5284)]