18666778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1303}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 32860800

約数和(自身を除く): 14194022

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 247, 377, 494, 551, 754, 1102, 1303, 2606, 7163, 14326, 16939, 24757, 33878, 37787, 49514, 75574, 321841, 491231, 643682, 717953, 982462, 1435906, 9333389, 18666778]

約数ペア:

[(1, 18666778), (2, 9333389), (13, 1435906), (19, 982462), (26, 717953), (29, 643682), (38, 491231), (58, 321841), (247, 75574), (377, 49514), (494, 37787), (551, 33878), (754, 24757), (1102, 16939), (1303, 14326), (2606, 7163)]