18180718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 30668544

約数和(自身を除く): 12487826

約数列:

[1, 2, 17, 23, 34, 46, 67, 134, 347, 391, 694, 782, 1139, 1541, 2278, 3082, 5899, 7981, 11798, 15962, 23249, 26197, 46498, 52394, 135677, 271354, 395233, 534727, 790466, 1069454, 9090359, 18180718]

約数ペア:

[(1, 18180718), (2, 9090359), (17, 1069454), (23, 790466), (34, 534727), (46, 395233), (67, 271354), (134, 135677), (347, 52394), (391, 46498), (694, 26197), (782, 23249), (1139, 15962), (1541, 11798), (2278, 7981), (3082, 5899)]