18123976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 36804600

約数和(自身を除く): 18680624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 761, 916, 1522, 1832, 2977, 3044, 5954, 6088, 9893, 11908, 19786, 23816, 39572, 79144, 174269, 348538, 697076, 1394152, 2265497, 4530994, 9061988, 18123976]

約数ペア:

[(1, 18123976), (2, 9061988), (4, 4530994), (8, 2265497), (13, 1394152), (26, 697076), (52, 348538), (104, 174269), (229, 79144), (458, 39572), (761, 23816), (916, 19786), (1522, 11908), (1832, 9893), (2977, 6088), (3044, 5954)]