19766864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 43093596

約数和(自身を除く): 23326732

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 113, 116, 208, 226, 232, 377, 452, 464, 754, 841, 904, 1469, 1508, 1682, 1808, 2938, 3016, 3277, 3364, 5876, 6032, 6554, 6728, 10933, 11752, 13108, 13456, 21866, 23504, 26216, 42601, 43732, 52432, 85202, 87464, 95033, 170404, 174928, 190066, 340808, 380132, 681616, 760264, 1235429, 1520528, 2470858, 4941716, 9883432, 19766864]

約数ペア:

[(1, 19766864), (2, 9883432), (4, 4941716), (8, 2470858), (13, 1520528), (16, 1235429), (26, 760264), (29, 681616), (52, 380132), (58, 340808), (104, 190066), (113, 174928), (116, 170404), (208, 95033), (226, 87464), (232, 85202), (377, 52432), (452, 43732), (464, 42601), (754, 26216), (841, 23504), (904, 21866), (1469, 13456), (1508, 13108), (1682, 11752), (1808, 10933), (2938, 6728), (3016, 6554), (3277, 6032), (3364, 5876)]