18035820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9109}}^1$

素因数の和:9135

約数の個数: 72

約数和(自身を含む): 59688720

約数和(自身を除く): 41652900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9109, 18218, 27327, 36436, 45545, 54654, 81981, 91090, 100199, 109308, 136635, 163962, 182180, 200398, 273270, 300597, 327924, 400796, 409905, 500995, 546540, 601194, 819810, 901791, 1001990, 1202388, 1502985, 1639620, 1803582, 2003980, 3005970, 3607164, 4508955, 6011940, 9017910, 18035820]

約数ペア:

[(1, 18035820), (2, 9017910), (3, 6011940), (4, 4508955), (5, 3607164), (6, 3005970), (9, 2003980), (10, 1803582), (11, 1639620), (12, 1502985), (15, 1202388), (18, 1001990), (20, 901791), (22, 819810), (30, 601194), (33, 546540), (36, 500995), (44, 409905), (45, 400796), (55, 327924), (60, 300597), (66, 273270), (90, 200398), (99, 182180), (110, 163962), (132, 136635), (165, 109308), (180, 100199), (198, 91090), (220, 81981), (330, 54654), (396, 45545), (495, 36436), (660, 27327), (990, 18218), (1980, 9109)]