18968001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 29137920

約数和(自身を除く): 10169919

約数列:

[1, 3, 13, 29, 31, 39, 87, 93, 377, 403, 541, 899, 1131, 1209, 1623, 2697, 7033, 11687, 15689, 16771, 21099, 35061, 47067, 50313, 203957, 218023, 486359, 611871, 654069, 1459077, 6322667, 18968001]

約数ペア:

[(1, 18968001), (3, 6322667), (13, 1459077), (29, 654069), (31, 611871), (39, 486359), (87, 218023), (93, 203957), (377, 50313), (403, 47067), (541, 35061), (899, 21099), (1131, 16771), (1209, 15689), (1623, 11687), (2697, 7033)]