19604431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 25952256

約数和(自身を除く): 6347825

約数列:

[1, 7, 11, 31, 43, 77, 191, 217, 301, 341, 473, 1333, 1337, 2101, 2387, 3311, 5921, 8213, 9331, 14663, 14707, 41447, 57491, 65131, 90343, 102641, 254603, 455917, 632401, 1782221, 2800633, 19604431]

約数ペア:

[(1, 19604431), (7, 2800633), (11, 1782221), (31, 632401), (43, 455917), (77, 254603), (191, 102641), (217, 90343), (301, 65131), (341, 57491), (473, 41447), (1333, 14707), (1337, 14663), (2101, 9331), (2387, 8213), (3311, 5921)]