18622980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34487}}^1$

素因数の和:34505

約数の個数: 48

約数和(自身を含む): 57939840

約数和(自身を除く): 39316860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 34487, 68974, 103461, 137948, 172435, 206922, 310383, 344870, 413844, 517305, 620766, 689740, 931149, 1034610, 1241532, 1551915, 1862298, 2069220, 3103830, 3724596, 4655745, 6207660, 9311490, 18622980]

約数ペア:

[(1, 18622980), (2, 9311490), (3, 6207660), (4, 4655745), (5, 3724596), (6, 3103830), (9, 2069220), (10, 1862298), (12, 1551915), (15, 1241532), (18, 1034610), (20, 931149), (27, 689740), (30, 620766), (36, 517305), (45, 413844), (54, 344870), (60, 310383), (90, 206922), (108, 172435), (135, 137948), (180, 103461), (270, 68974), (540, 34487)]