18731745

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2113}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 32648616

約数和(自身を除く): 13916871

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2113, 2955, 6339, 8865, 10565, 19017, 31695, 95085, 416261, 1248783, 2081305, 3746349, 6243915, 18731745]

約数ペア:

[(1, 18731745), (3, 6243915), (5, 3746349), (9, 2081305), (15, 1248783), (45, 416261), (197, 95085), (591, 31695), (985, 19017), (1773, 10565), (2113, 8865), (2955, 6339)]