19943685

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 35844480

約数和(自身を除く): 15900795

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 1523, 2619, 4365, 4569, 7615, 13095, 13707, 22845, 41121, 68535, 147731, 205605, 443193, 738655, 1329579, 2215965, 3988737, 6647895, 19943685]

約数ペア:

[(1, 19943685), (3, 6647895), (5, 3988737), (9, 2215965), (15, 1329579), (27, 738655), (45, 443193), (97, 205605), (135, 147731), (291, 68535), (485, 41121), (873, 22845), (1455, 13707), (1523, 13095), (2619, 7615), (4365, 4569)]