18688860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 96

約数和(自身を含む): 59330880

約数和(自身を除く): 40642020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 159, 180, 212, 265, 270, 318, 477, 530, 540, 636, 653, 795, 954, 1060, 1306, 1431, 1590, 1908, 1959, 2385, 2612, 2862, 3180, 3265, 3918, 4770, 5724, 5877, 6530, 7155, 7836, 9540, 9795, 11754, 13060, 14310, 17631, 19590, 23508, 28620, 29385, 34609, 35262, 39180, 58770, 69218, 70524, 88155, 103827, 117540, 138436, 173045, 176310, 207654, 311481, 346090, 352620, 415308, 519135, 622962, 692180, 934443, 1038270, 1245924, 1557405, 1868886, 2076540, 3114810, 3737772, 4672215, 6229620, 9344430, 18688860]

約数ペア:

[(1, 18688860), (2, 9344430), (3, 6229620), (4, 4672215), (5, 3737772), (6, 3114810), (9, 2076540), (10, 1868886), (12, 1557405), (15, 1245924), (18, 1038270), (20, 934443), (27, 692180), (30, 622962), (36, 519135), (45, 415308), (53, 352620), (54, 346090), (60, 311481), (90, 207654), (106, 176310), (108, 173045), (135, 138436), (159, 117540), (180, 103827), (212, 88155), (265, 70524), (270, 69218), (318, 58770), (477, 39180), (530, 35262), (540, 34609), (636, 29385), (653, 28620), (795, 23508), (954, 19590), (1060, 17631), (1306, 14310), (1431, 13060), (1590, 11754), (1908, 9795), (1959, 9540), (2385, 7836), (2612, 7155), (2862, 6530), (3180, 5877), (3265, 5724), (3918, 4770)]