18193240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 44906400

約数和(自身を除く): 26713160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 593, 767, 1180, 1186, 1534, 2360, 2372, 2965, 3068, 3835, 4744, 5930, 6136, 7670, 7709, 11860, 15340, 15418, 23720, 30680, 30836, 34987, 38545, 61672, 69974, 77090, 139948, 154180, 174935, 279896, 308360, 349870, 454831, 699740, 909662, 1399480, 1819324, 2274155, 3638648, 4548310, 9096620, 18193240]

約数ペア:

[(1, 18193240), (2, 9096620), (4, 4548310), (5, 3638648), (8, 2274155), (10, 1819324), (13, 1399480), (20, 909662), (26, 699740), (40, 454831), (52, 349870), (59, 308360), (65, 279896), (104, 174935), (118, 154180), (130, 139948), (236, 77090), (260, 69974), (295, 61672), (472, 38545), (520, 34987), (590, 30836), (593, 30680), (767, 23720), (1180, 15418), (1186, 15340), (1534, 11860), (2360, 7709), (2372, 7670), (2965, 6136), (3068, 5930), (3835, 4744)]