18829090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8677}}^1$

素因数の和:8722

約数の個数: 32

約数和(自身を含む): 39988224

約数和(自身を除く): 21159134

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8677, 17354, 43385, 60739, 86770, 121478, 268987, 303695, 537974, 607390, 1344935, 1882909, 2689870, 3765818, 9414545, 18829090]

約数ペア:

[(1, 18829090), (2, 9414545), (5, 3765818), (7, 2689870), (10, 1882909), (14, 1344935), (31, 607390), (35, 537974), (62, 303695), (70, 268987), (155, 121478), (217, 86770), (310, 60739), (434, 43385), (1085, 17354), (2170, 8677)]