18617860

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5711}}^1$

素因数の和:5883

約数の個数: 24

約数和(自身を含む): 39344256

約数和(自身を除く): 20726396

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5711, 11422, 22844, 28555, 57110, 114220, 930893, 1861786, 3723572, 4654465, 9308930, 18617860]

約数ペア:

[(1, 18617860), (2, 9308930), (4, 4654465), (5, 3723572), (10, 1861786), (20, 930893), (163, 114220), (326, 57110), (652, 28555), (815, 22844), (1630, 11422), (3260, 5711)]