18563820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2557}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 57155952

約数和(自身を除く): 38592132

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2557, 3630, 5114, 7260, 7671, 10228, 12785, 15342, 25570, 28127, 30684, 38355, 51140, 56254, 76710, 84381, 112508, 140635, 153420, 168762, 281270, 309397, 337524, 421905, 562540, 618794, 843810, 928191, 1237588, 1546985, 1687620, 1856382, 3093970, 3712764, 4640955, 6187940, 9281910, 18563820]

約数ペア:

[(1, 18563820), (2, 9281910), (3, 6187940), (4, 4640955), (5, 3712764), (6, 3093970), (10, 1856382), (11, 1687620), (12, 1546985), (15, 1237588), (20, 928191), (22, 843810), (30, 618794), (33, 562540), (44, 421905), (55, 337524), (60, 309397), (66, 281270), (110, 168762), (121, 153420), (132, 140635), (165, 112508), (220, 84381), (242, 76710), (330, 56254), (363, 51140), (484, 38355), (605, 30684), (660, 28127), (726, 25570), (1210, 15342), (1452, 12785), (1815, 10228), (2420, 7671), (2557, 7260), (3630, 5114)]