19486148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20430652

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 109, 187, 218, 239, 374, 436, 478, 748, 956, 1199, 1853, 2398, 2629, 3706, 4063, 4796, 5258, 7412, 8126, 10516, 16252, 20383, 26051, 40766, 44693, 52102, 81532, 89386, 104204, 178772, 286561, 442867, 573122, 885734, 1146244, 1771468, 4871537, 9743074, 19486148]

約数ペア:

[(1, 19486148), (2, 9743074), (4, 4871537), (11, 1771468), (17, 1146244), (22, 885734), (34, 573122), (44, 442867), (68, 286561), (109, 178772), (187, 104204), (218, 89386), (239, 81532), (374, 52102), (436, 44693), (478, 40766), (748, 26051), (956, 20383), (1199, 16252), (1853, 10516), (2398, 8126), (2629, 7412), (3706, 5258), (4063, 4796)]