19530309

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 28748160

約数和(自身を除く): 9217851

約数列:

[1, 3, 19, 41, 57, 61, 123, 137, 183, 411, 779, 1159, 2337, 2501, 2603, 3477, 5617, 7503, 7809, 8357, 16851, 25071, 47519, 106723, 142557, 158783, 320169, 342637, 476349, 1027911, 6510103, 19530309]

約数ペア:

[(1, 19530309), (3, 6510103), (19, 1027911), (41, 476349), (57, 342637), (61, 320169), (123, 158783), (137, 142557), (183, 106723), (411, 47519), (779, 25071), (1159, 16851), (2337, 8357), (2501, 7809), (2603, 7503), (3477, 5617)]