18467440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 46818432

約数和(自身を除く): 28350992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 367, 370, 592, 629, 680, 734, 740, 1258, 1360, 1468, 1480, 1835, 2516, 2936, 2960, 3145, 3670, 5032, 5872, 6239, 6290, 7340, 10064, 12478, 12580, 13579, 14680, 24956, 25160, 27158, 29360, 31195, 49912, 50320, 54316, 62390, 67895, 99824, 108632, 124780, 135790, 217264, 230843, 249560, 271580, 461686, 499120, 543160, 923372, 1086320, 1154215, 1846744, 2308430, 3693488, 4616860, 9233720, 18467440]

約数ペア:

[(1, 18467440), (2, 9233720), (4, 4616860), (5, 3693488), (8, 2308430), (10, 1846744), (16, 1154215), (17, 1086320), (20, 923372), (34, 543160), (37, 499120), (40, 461686), (68, 271580), (74, 249560), (80, 230843), (85, 217264), (136, 135790), (148, 124780), (170, 108632), (185, 99824), (272, 67895), (296, 62390), (340, 54316), (367, 50320), (370, 49912), (592, 31195), (629, 29360), (680, 27158), (734, 25160), (740, 24956), (1258, 14680), (1360, 13579), (1468, 12580), (1480, 12478), (1835, 10064), (2516, 7340), (2936, 6290), (2960, 6239), (3145, 5872), (3670, 5032)]