17947980

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1231}}^1$

素因数の和:1258

約数の個数: 84

約数和(自身を含む): 56556192

約数和(自身を除く): 38608212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1231, 1458, 1620, 2430, 2462, 2916, 3645, 3693, 4860, 4924, 6155, 7290, 7386, 11079, 12310, 14580, 14772, 18465, 22158, 24620, 33237, 36930, 44316, 55395, 66474, 73860, 99711, 110790, 132948, 166185, 199422, 221580, 299133, 332370, 398844, 498555, 598266, 664740, 897399, 997110, 1196532, 1495665, 1794798, 1994220, 2991330, 3589596, 4486995, 5982660, 8973990, 17947980]

約数ペア:

[(1, 17947980), (2, 8973990), (3, 5982660), (4, 4486995), (5, 3589596), (6, 2991330), (9, 1994220), (10, 1794798), (12, 1495665), (15, 1196532), (18, 997110), (20, 897399), (27, 664740), (30, 598266), (36, 498555), (45, 398844), (54, 332370), (60, 299133), (81, 221580), (90, 199422), (108, 166185), (135, 132948), (162, 110790), (180, 99711), (243, 73860), (270, 66474), (324, 55395), (405, 44316), (486, 36930), (540, 33237), (729, 24620), (810, 22158), (972, 18465), (1215, 14772), (1231, 14580), (1458, 12310), (1620, 11079), (2430, 7386), (2462, 7290), (2916, 6155), (3645, 4924), (3693, 4860)]