19129173

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 30117120

約数和(自身を除く): 10987947

約数列:

[1, 3, 7, 21, 61, 109, 137, 183, 327, 411, 427, 763, 959, 1281, 2289, 2877, 6649, 8357, 14933, 19947, 25071, 44799, 46543, 58499, 104531, 139629, 175497, 313593, 910913, 2732739, 6376391, 19129173]

約数ペア:

[(1, 19129173), (3, 6376391), (7, 2732739), (21, 910913), (61, 313593), (109, 175497), (137, 139629), (183, 104531), (327, 58499), (411, 46543), (427, 44799), (763, 25071), (959, 19947), (1281, 14933), (2289, 8357), (2877, 6649)]