18343816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 21400184

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 229, 248, 323, 458, 527, 589, 646, 916, 1054, 1178, 1292, 1832, 2108, 2356, 2584, 3893, 4216, 4351, 4712, 7099, 7786, 8702, 10013, 14198, 15572, 17404, 20026, 28396, 31144, 34808, 40052, 56792, 73967, 80104, 120683, 134881, 147934, 241366, 269762, 295868, 482732, 539524, 591736, 965464, 1079048, 2292977, 4585954, 9171908, 18343816]

約数ペア:

[(1, 18343816), (2, 9171908), (4, 4585954), (8, 2292977), (17, 1079048), (19, 965464), (31, 591736), (34, 539524), (38, 482732), (62, 295868), (68, 269762), (76, 241366), (124, 147934), (136, 134881), (152, 120683), (229, 80104), (248, 73967), (323, 56792), (458, 40052), (527, 34808), (589, 31144), (646, 28396), (916, 20026), (1054, 17404), (1178, 15572), (1292, 14198), (1832, 10013), (2108, 8702), (2356, 7786), (2584, 7099), (3893, 4712), (4216, 4351)]