19120552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 41564160

約数和(自身を除く): 22443608

約数列:

[1, 2, 4, 8, 11, 22, 31, 43, 44, 62, 86, 88, 124, 163, 172, 248, 326, 341, 344, 473, 652, 682, 946, 1304, 1333, 1364, 1793, 1892, 2666, 2728, 3586, 3784, 5053, 5332, 7009, 7172, 10106, 10664, 14018, 14344, 14663, 20212, 28036, 29326, 40424, 55583, 56072, 58652, 77099, 111166, 117304, 154198, 217279, 222332, 308396, 434558, 444664, 616792, 869116, 1738232, 2390069, 4780138, 9560276, 19120552]

約数ペア:

[(1, 19120552), (2, 9560276), (4, 4780138), (8, 2390069), (11, 1738232), (22, 869116), (31, 616792), (43, 444664), (44, 434558), (62, 308396), (86, 222332), (88, 217279), (124, 154198), (163, 117304), (172, 111166), (248, 77099), (326, 58652), (341, 56072), (344, 55583), (473, 40424), (652, 29326), (682, 28036), (946, 20212), (1304, 14663), (1333, 14344), (1364, 14018), (1793, 10664), (1892, 10106), (2666, 7172), (2728, 7009), (3586, 5332), (3784, 5053)]