18720666

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{15073}}^1$

素因数の和:15107

約数の個数: 32

約数和(自身を含む): 43413120

約数和(自身を除く): 24692454

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 15073, 30146, 45219, 90438, 135657, 271314, 346679, 406971, 693358, 813942, 1040037, 2080074, 3120111, 6240222, 9360333, 18720666]

約数ペア:

[(1, 18720666), (2, 9360333), (3, 6240222), (6, 3120111), (9, 2080074), (18, 1040037), (23, 813942), (27, 693358), (46, 406971), (54, 346679), (69, 271314), (138, 135657), (207, 90438), (414, 45219), (621, 30146), (1242, 15073)]