18613815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 32852736

約数和(自身を除く): 14238921

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1163, 1455, 3201, 3489, 5335, 5815, 12793, 16005, 17445, 38379, 63965, 112811, 191895, 338433, 564055, 1240921, 1692165, 3722763, 6204605, 18613815]

約数ペア:

[(1, 18613815), (3, 6204605), (5, 3722763), (11, 1692165), (15, 1240921), (33, 564055), (55, 338433), (97, 191895), (165, 112811), (291, 63965), (485, 38379), (1067, 17445), (1163, 16005), (1455, 12793), (3201, 5815), (3489, 5335)]