19849544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17351}}^1$

素因数の和:17381

約数の個数: 32

約数和(自身を含む): 43727040

約数和(自身を除く): 23877496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17351, 34702, 69404, 138808, 190861, 225563, 381722, 451126, 763444, 902252, 1526888, 1804504, 2481193, 4962386, 9924772, 19849544]

約数ペア:

[(1, 19849544), (2, 9924772), (4, 4962386), (8, 2481193), (11, 1804504), (13, 1526888), (22, 902252), (26, 763444), (44, 451126), (52, 381722), (88, 225563), (104, 190861), (143, 138808), (286, 69404), (572, 34702), (1144, 17351)]