18460640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 50458464

約数和(自身を除く): 31997824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 617, 680, 748, 880, 935, 1234, 1360, 1496, 1760, 1870, 2468, 2720, 2992, 3085, 3740, 4936, 5984, 6170, 6787, 7480, 9872, 10489, 12340, 13574, 14960, 19744, 20978, 24680, 27148, 29920, 33935, 41956, 49360, 52445, 54296, 67870, 83912, 98720, 104890, 108592, 115379, 135740, 167824, 209780, 217184, 230758, 271480, 335648, 419560, 461516, 542960, 576895, 839120, 923032, 1085920, 1153790, 1678240, 1846064, 2307580, 3692128, 4615160, 9230320, 18460640]

約数ペア:

[(1, 18460640), (2, 9230320), (4, 4615160), (5, 3692128), (8, 2307580), (10, 1846064), (11, 1678240), (16, 1153790), (17, 1085920), (20, 923032), (22, 839120), (32, 576895), (34, 542960), (40, 461516), (44, 419560), (55, 335648), (68, 271480), (80, 230758), (85, 217184), (88, 209780), (110, 167824), (136, 135740), (160, 115379), (170, 108592), (176, 104890), (187, 98720), (220, 83912), (272, 67870), (340, 54296), (352, 52445), (374, 49360), (440, 41956), (544, 33935), (617, 29920), (680, 27148), (748, 24680), (880, 20978), (935, 19744), (1234, 14960), (1360, 13574), (1496, 12340), (1760, 10489), (1870, 9872), (2468, 7480), (2720, 6787), (2992, 6170), (3085, 5984), (3740, 4936)]