18591990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6389}}^1$

素因数の和:6496

約数の個数: 32

約数和(自身を含む): 45087840

約数和(自身を除く): 26495850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 6389, 12778, 19167, 31945, 38334, 63890, 95835, 191670, 619733, 1239466, 1859199, 3098665, 3718398, 6197330, 9295995, 18591990]

約数ペア:

[(1, 18591990), (2, 9295995), (3, 6197330), (5, 3718398), (6, 3098665), (10, 1859199), (15, 1239466), (30, 619733), (97, 191670), (194, 95835), (291, 63890), (485, 38334), (582, 31945), (970, 19167), (1455, 12778), (2910, 6389)]