19835556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3020

約数の個数: 48

約数和(自身を含む): 51019584

約数和(自身を除く): 31184028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 2957, 3354, 5914, 6708, 8871, 11828, 17742, 35484, 38441, 76882, 115323, 127151, 153764, 230646, 254302, 381453, 461292, 508604, 762906, 1525812, 1652963, 3305926, 4958889, 6611852, 9917778, 19835556]

約数ペア:

[(1, 19835556), (2, 9917778), (3, 6611852), (4, 4958889), (6, 3305926), (12, 1652963), (13, 1525812), (26, 762906), (39, 508604), (43, 461292), (52, 381453), (78, 254302), (86, 230646), (129, 153764), (156, 127151), (172, 115323), (258, 76882), (516, 38441), (559, 35484), (1118, 17742), (1677, 11828), (2236, 8871), (2957, 6708), (3354, 5914)]