17891666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 30466800

約数和(自身を除く): 12575134

約数列:

[1, 2, 13, 26, 29, 58, 61, 122, 377, 389, 754, 778, 793, 1586, 1769, 3538, 5057, 10114, 11281, 22562, 22997, 23729, 45994, 47458, 146653, 293306, 308477, 616954, 688141, 1376282, 8945833, 17891666]

約数ペア:

[(1, 17891666), (2, 8945833), (13, 1376282), (26, 688141), (29, 616954), (58, 308477), (61, 293306), (122, 146653), (377, 47458), (389, 45994), (754, 23729), (778, 22997), (793, 22562), (1586, 11281), (1769, 10114), (3538, 5057)]