19479656

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 44160000

約数和(自身を除く): 24680344

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 229, 248, 343, 392, 434, 458, 686, 868, 916, 1372, 1519, 1603, 1736, 1832, 2744, 3038, 3206, 6076, 6412, 7099, 10633, 11221, 12152, 12824, 14198, 21266, 22442, 28396, 42532, 44884, 49693, 56792, 78547, 85064, 89768, 99386, 157094, 198772, 314188, 347851, 397544, 628376, 695702, 1391404, 2434957, 2782808, 4869914, 9739828, 19479656]

約数ペア:

[(1, 19479656), (2, 9739828), (4, 4869914), (7, 2782808), (8, 2434957), (14, 1391404), (28, 695702), (31, 628376), (49, 397544), (56, 347851), (62, 314188), (98, 198772), (124, 157094), (196, 99386), (217, 89768), (229, 85064), (248, 78547), (343, 56792), (392, 49693), (434, 44884), (458, 42532), (686, 28396), (868, 22442), (916, 21266), (1372, 14198), (1519, 12824), (1603, 12152), (1736, 11221), (1832, 10633), (2744, 7099), (3038, 6412), (3206, 6076)]