18995800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 48345120

約数和(自身を除く): 29349320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 37, 40, 50, 68, 74, 85, 100, 136, 148, 151, 170, 185, 200, 296, 302, 340, 370, 425, 604, 629, 680, 740, 755, 850, 925, 1208, 1258, 1480, 1510, 1700, 1850, 2516, 2567, 3020, 3145, 3400, 3700, 3775, 5032, 5134, 5587, 6040, 6290, 7400, 7550, 10268, 11174, 12580, 12835, 15100, 15725, 20536, 22348, 25160, 25670, 27935, 30200, 31450, 44696, 51340, 55870, 62900, 64175, 94979, 102680, 111740, 125800, 128350, 139675, 189958, 223480, 256700, 279350, 379916, 474895, 513400, 558700, 759832, 949790, 1117400, 1899580, 2374475, 3799160, 4748950, 9497900, 18995800]

約数ペア:

[(1, 18995800), (2, 9497900), (4, 4748950), (5, 3799160), (8, 2374475), (10, 1899580), (17, 1117400), (20, 949790), (25, 759832), (34, 558700), (37, 513400), (40, 474895), (50, 379916), (68, 279350), (74, 256700), (85, 223480), (100, 189958), (136, 139675), (148, 128350), (151, 125800), (170, 111740), (185, 102680), (200, 94979), (296, 64175), (302, 62900), (340, 55870), (370, 51340), (425, 44696), (604, 31450), (629, 30200), (680, 27935), (740, 25670), (755, 25160), (850, 22348), (925, 20536), (1208, 15725), (1258, 15100), (1480, 12835), (1510, 12580), (1700, 11174), (1850, 10268), (2516, 7550), (2567, 7400), (3020, 6290), (3145, 6040), (3400, 5587), (3700, 5134), (3775, 5032)]