18556668

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{13217}}^1$

素因数の和:13243

約数の個数: 48

約数和(自身を含む): 51814560

約数和(自身を除く): 33257892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 13217, 26434, 39651, 52868, 79302, 118953, 158604, 171821, 237906, 343642, 356859, 475812, 515463, 687284, 713718, 1030926, 1427436, 1546389, 2061852, 3092778, 4639167, 6185556, 9278334, 18556668]

約数ペア:

[(1, 18556668), (2, 9278334), (3, 6185556), (4, 4639167), (6, 3092778), (9, 2061852), (12, 1546389), (13, 1427436), (18, 1030926), (26, 713718), (27, 687284), (36, 515463), (39, 475812), (52, 356859), (54, 343642), (78, 237906), (108, 171821), (117, 158604), (156, 118953), (234, 79302), (351, 52868), (468, 39651), (702, 26434), (1404, 13217)]