18776446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13479554

約数列:

[1, 2, 13, 19, 26, 38, 191, 199, 247, 382, 398, 494, 2483, 2587, 3629, 3781, 4966, 5174, 7258, 7562, 38009, 47177, 49153, 76018, 94354, 98306, 494117, 722171, 988234, 1444342, 9388223, 18776446]

約数ペア:

[(1, 18776446), (2, 9388223), (13, 1444342), (19, 988234), (26, 722171), (38, 494117), (191, 98306), (199, 94354), (247, 76018), (382, 49153), (398, 47177), (494, 38009), (2483, 7562), (2587, 7258), (3629, 5174), (3781, 4966)]