18885215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5419}}^1$

素因数の和:5482

約数の個数: 16

約数和(自身を含む): 24585120

約数和(自身を除く): 5699905

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5419, 27095, 92123, 222179, 460615, 1110895, 3777043, 18885215]

約数ペア:

[(1, 18885215), (5, 3777043), (17, 1110895), (41, 460615), (85, 222179), (205, 92123), (697, 27095), (3485, 5419)]