19123256

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 36828000

約数和(自身を除く): 17704744

約数列:

[1, 2, 4, 8, 61, 122, 149, 244, 263, 298, 488, 526, 596, 1052, 1192, 2104, 9089, 16043, 18178, 32086, 36356, 39187, 64172, 72712, 78374, 128344, 156748, 313496, 2390407, 4780814, 9561628, 19123256]

約数ペア:

[(1, 19123256), (2, 9561628), (4, 4780814), (8, 2390407), (61, 313496), (122, 156748), (149, 128344), (244, 78374), (263, 72712), (298, 64172), (488, 39187), (526, 36356), (596, 32086), (1052, 18178), (1192, 16043), (2104, 9089)]