18992956

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 34715520

約数和(自身を除く): 15722564

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 1721, 2759, 3442, 5518, 6884, 11036, 53351, 106702, 153169, 213404, 306338, 612676, 4748239, 9496478, 18992956]

約数ペア:

[(1, 18992956), (2, 9496478), (4, 4748239), (31, 612676), (62, 306338), (89, 213404), (124, 153169), (178, 106702), (356, 53351), (1721, 11036), (2759, 6884), (3442, 5518)]