18458260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^2$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 41219388

約数和(自身を除く): 22761128

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 466, 932, 1165, 2330, 3961, 4660, 7922, 15844, 19805, 39610, 54289, 79220, 108578, 217156, 271445, 542890, 922913, 1085780, 1845826, 3691652, 4614565, 9229130, 18458260]

約数ペア:

[(1, 18458260), (2, 9229130), (4, 4614565), (5, 3691652), (10, 1845826), (17, 1085780), (20, 922913), (34, 542890), (68, 271445), (85, 217156), (170, 108578), (233, 79220), (340, 54289), (466, 39610), (932, 19805), (1165, 15844), (2330, 7922), (3961, 4660)]