18185648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 41559840

約数和(自身を除く): 23374192

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 136, 139, 148, 208, 221, 272, 278, 296, 442, 481, 556, 592, 629, 884, 962, 1112, 1258, 1768, 1807, 1924, 2224, 2363, 2516, 3536, 3614, 3848, 4726, 5032, 5143, 7228, 7696, 8177, 9452, 10064, 10286, 14456, 16354, 18904, 20572, 28912, 30719, 32708, 37808, 41144, 61438, 65416, 66859, 82288, 87431, 122876, 130832, 133718, 174862, 245752, 267436, 349724, 491504, 534872, 699448, 1069744, 1136603, 1398896, 2273206, 4546412, 9092824, 18185648]

約数ペア:

[(1, 18185648), (2, 9092824), (4, 4546412), (8, 2273206), (13, 1398896), (16, 1136603), (17, 1069744), (26, 699448), (34, 534872), (37, 491504), (52, 349724), (68, 267436), (74, 245752), (104, 174862), (136, 133718), (139, 130832), (148, 122876), (208, 87431), (221, 82288), (272, 66859), (278, 65416), (296, 61438), (442, 41144), (481, 37808), (556, 32708), (592, 30719), (629, 28912), (884, 20572), (962, 18904), (1112, 16354), (1258, 14456), (1768, 10286), (1807, 10064), (1924, 9452), (2224, 8177), (2363, 7696), (2516, 7228), (3536, 5143), (3614, 5032), (3848, 4726)]