18768850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 37604736

約数和(自身を除く): 18835886

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 142, 170, 311, 355, 425, 622, 710, 850, 1207, 1555, 1775, 2414, 3110, 3550, 5287, 6035, 7775, 10574, 12070, 15550, 22081, 26435, 30175, 44162, 52870, 60350, 110405, 132175, 220810, 264350, 375377, 552025, 750754, 1104050, 1876885, 3753770, 9384425, 18768850]

約数ペア:

[(1, 18768850), (2, 9384425), (5, 3753770), (10, 1876885), (17, 1104050), (25, 750754), (34, 552025), (50, 375377), (71, 264350), (85, 220810), (142, 132175), (170, 110405), (311, 60350), (355, 52870), (425, 44162), (622, 30175), (710, 26435), (850, 22081), (1207, 15550), (1555, 12070), (1775, 10574), (2414, 7775), (3110, 6035), (3550, 5287)]