19706538

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2430

約数の個数: 32

約数和(自身を含む): 41818752

約数和(自身を除く): 22112214

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 122, 138, 183, 366, 1403, 2341, 2806, 4209, 4682, 7023, 8418, 14046, 53843, 107686, 142801, 161529, 285602, 323058, 428403, 856806, 3284423, 6568846, 9853269, 19706538]

約数ペア:

[(1, 19706538), (2, 9853269), (3, 6568846), (6, 3284423), (23, 856806), (46, 428403), (61, 323058), (69, 285602), (122, 161529), (138, 142801), (183, 107686), (366, 53843), (1403, 14046), (2341, 8418), (2806, 7023), (4209, 4682)]