19898517

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 28735200

約数和(自身を除く): 8836683

約数列:

[1, 3, 17, 51, 59, 177, 289, 389, 867, 1003, 1167, 3009, 6613, 17051, 19839, 22951, 51153, 68853, 112421, 337263, 390167, 1170501, 6632839, 19898517]

約数ペア:

[(1, 19898517), (3, 6632839), (17, 1170501), (51, 390167), (59, 337263), (177, 112421), (289, 68853), (389, 51153), (867, 22951), (1003, 19839), (1167, 17051), (3009, 6613)]