19686524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 40943616

約数和(自身を除く): 21257092

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 127, 143, 254, 271, 286, 508, 542, 572, 1084, 1397, 1651, 2794, 2981, 3302, 3523, 5588, 5962, 6604, 7046, 11924, 14092, 18161, 34417, 36322, 38753, 68834, 72644, 77506, 137668, 155012, 378587, 447421, 757174, 894842, 1514348, 1789684, 4921631, 9843262, 19686524]

約数ペア:

[(1, 19686524), (2, 9843262), (4, 4921631), (11, 1789684), (13, 1514348), (22, 894842), (26, 757174), (44, 447421), (52, 378587), (127, 155012), (143, 137668), (254, 77506), (271, 72644), (286, 68834), (508, 38753), (542, 36322), (572, 34417), (1084, 18161), (1397, 14092), (1651, 11924), (2794, 7046), (2981, 6604), (3302, 5962), (3523, 5588)]