18303400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 44743230

約数和(自身を除く): 26439830

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 173, 184, 200, 230, 346, 460, 529, 575, 692, 865, 920, 1058, 1150, 1384, 1730, 2116, 2300, 2645, 3460, 3979, 4232, 4325, 4600, 5290, 6920, 7958, 8650, 10580, 13225, 15916, 17300, 19895, 21160, 26450, 31832, 34600, 39790, 52900, 79580, 91517, 99475, 105800, 159160, 183034, 198950, 366068, 397900, 457585, 732136, 795800, 915170, 1830340, 2287925, 3660680, 4575850, 9151700, 18303400]

約数ペア:

[(1, 18303400), (2, 9151700), (4, 4575850), (5, 3660680), (8, 2287925), (10, 1830340), (20, 915170), (23, 795800), (25, 732136), (40, 457585), (46, 397900), (50, 366068), (92, 198950), (100, 183034), (115, 159160), (173, 105800), (184, 99475), (200, 91517), (230, 79580), (346, 52900), (460, 39790), (529, 34600), (575, 31832), (692, 26450), (865, 21160), (920, 19895), (1058, 17300), (1150, 15916), (1384, 13225), (1730, 10580), (2116, 8650), (2300, 7958), (2645, 6920), (3460, 5290), (3979, 4600), (4232, 4325)]