18449819128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1\times {\mathrm{4423}}^1$

素因数の和:6572

約数の個数: 64

約数和(自身を含む): 39242649600

約数和(自身を除く): 20792830472

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 2111, 4222, 4423, 8444, 8846, 16888, 17692, 27443, 35384, 40109, 54886, 57499, 80218, 84037, 109772, 114998, 160436, 168074, 219544, 229996, 320872, 336148, 459992, 521417, 672296, 1042834, 1092481, 2085668, 2184962, 4171336, 4369924, 8739848, 9336953, 18673906, 37347812, 74695624, 121380389, 177402107, 242760778, 354804214, 485521556, 709608428, 971043112, 1419216856, 2306227391, 4612454782, 9224909564, 18449819128]

約数ペア:

[(1, 18449819128), (2, 9224909564), (4, 4612454782), (8, 2306227391), (13, 1419216856), (19, 971043112), (26, 709608428), (38, 485521556), (52, 354804214), (76, 242760778), (104, 177402107), (152, 121380389), (247, 74695624), (494, 37347812), (988, 18673906), (1976, 9336953), (2111, 8739848), (4222, 4369924), (4423, 4171336), (8444, 2184962), (8846, 2085668), (16888, 1092481), (17692, 1042834), (27443, 672296), (35384, 521417), (40109, 459992), (54886, 336148), (57499, 320872), (80218, 229996), (84037, 219544), (109772, 168074), (114998, 160436)]