19312479

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 10892961

約数列:

[1, 3, 9, 23, 27, 69, 137, 207, 227, 411, 621, 681, 1233, 2043, 3151, 3699, 5221, 6129, 9453, 15663, 28359, 31099, 46989, 85077, 93297, 140967, 279891, 715277, 839673, 2145831, 6437493, 19312479]

約数ペア:

[(1, 19312479), (3, 6437493), (9, 2145831), (23, 839673), (27, 715277), (69, 279891), (137, 140967), (207, 93297), (227, 85077), (411, 46989), (621, 31099), (681, 28359), (1233, 15663), (2043, 9453), (3151, 6129), (3699, 5221)]