19160800

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 72

約数和(自身を含む): 47950056

約数和(自身を除く): 28789256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 557, 688, 800, 860, 1075, 1114, 1376, 1720, 2150, 2228, 2785, 3440, 4300, 4456, 5570, 6880, 8600, 8912, 11140, 13925, 17200, 17824, 22280, 23951, 27850, 34400, 44560, 47902, 55700, 89120, 95804, 111400, 119755, 191608, 222800, 239510, 383216, 445600, 479020, 598775, 766432, 958040, 1197550, 1916080, 2395100, 3832160, 4790200, 9580400, 19160800]

約数ペア:

[(1, 19160800), (2, 9580400), (4, 4790200), (5, 3832160), (8, 2395100), (10, 1916080), (16, 1197550), (20, 958040), (25, 766432), (32, 598775), (40, 479020), (43, 445600), (50, 383216), (80, 239510), (86, 222800), (100, 191608), (160, 119755), (172, 111400), (200, 95804), (215, 89120), (344, 55700), (400, 47902), (430, 44560), (557, 34400), (688, 27850), (800, 23951), (860, 22280), (1075, 17824), (1114, 17200), (1376, 13925), (1720, 11140), (2150, 8912), (2228, 8600), (2785, 6880), (3440, 5570), (4300, 4456)]