18681468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3914

約数の個数: 48

約数和(自身を含む): 48470016

約数和(自身を除く): 29788548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 3863, 4836, 7726, 11589, 15452, 23178, 46356, 50219, 100438, 119753, 150657, 200876, 239506, 301314, 359259, 479012, 602628, 718518, 1437036, 1556789, 3113578, 4670367, 6227156, 9340734, 18681468]

約数ペア:

[(1, 18681468), (2, 9340734), (3, 6227156), (4, 4670367), (6, 3113578), (12, 1556789), (13, 1437036), (26, 718518), (31, 602628), (39, 479012), (52, 359259), (62, 301314), (78, 239506), (93, 200876), (124, 150657), (156, 119753), (186, 100438), (372, 50219), (403, 46356), (806, 23178), (1209, 15452), (1612, 11589), (2418, 7726), (3863, 4836)]