18253664

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4023

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 23976496

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 3989, 4576, 7978, 15956, 31912, 43879, 51857, 63824, 87758, 103714, 127648, 175516, 207428, 351032, 414856, 570427, 702064, 829712, 1140854, 1404128, 1659424, 2281708, 4563416, 9126832, 18253664]

約数ペア:

[(1, 18253664), (2, 9126832), (4, 4563416), (8, 2281708), (11, 1659424), (13, 1404128), (16, 1140854), (22, 829712), (26, 702064), (32, 570427), (44, 414856), (52, 351032), (88, 207428), (104, 175516), (143, 127648), (176, 103714), (208, 87758), (286, 63824), (352, 51857), (416, 43879), (572, 31912), (1144, 15956), (2288, 7978), (3989, 4576)]