18985578

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 39616512

約数和(自身を除く): 20630934

約数列:

[1, 2, 3, 6, 31, 62, 93, 103, 186, 206, 309, 618, 991, 1982, 2973, 3193, 5946, 6386, 9579, 19158, 30721, 61442, 92163, 102073, 184326, 204146, 306219, 612438, 3164263, 6328526, 9492789, 18985578]

約数ペア:

[(1, 18985578), (2, 9492789), (3, 6328526), (6, 3164263), (31, 612438), (62, 306219), (93, 204146), (103, 184326), (186, 102073), (206, 92163), (309, 61442), (618, 30721), (991, 19158), (1982, 9579), (2973, 6386), (3193, 5946)]