19830568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 20466392

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3391, 5848, 6782, 13564, 27128, 57647, 115294, 145813, 230588, 291626, 461176, 583252, 1166504, 2478821, 4957642, 9915284, 19830568]

約数ペア:

[(1, 19830568), (2, 9915284), (4, 4957642), (8, 2478821), (17, 1166504), (34, 583252), (43, 461176), (68, 291626), (86, 230588), (136, 145813), (172, 115294), (344, 57647), (731, 27128), (1462, 13564), (2924, 6782), (3391, 5848)]