18938040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14347}}^1$

素因数の和:14372

約数の個数: 64

約数和(自身を含む): 61983360

約数和(自身を除く): 43045320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 14347, 28694, 43041, 57388, 71735, 86082, 114776, 143470, 157817, 172164, 215205, 286940, 315634, 344328, 430410, 473451, 573880, 631268, 789085, 860820, 946902, 1262536, 1578170, 1721640, 1893804, 2367255, 3156340, 3787608, 4734510, 6312680, 9469020, 18938040]

約数ペア:

[(1, 18938040), (2, 9469020), (3, 6312680), (4, 4734510), (5, 3787608), (6, 3156340), (8, 2367255), (10, 1893804), (11, 1721640), (12, 1578170), (15, 1262536), (20, 946902), (22, 860820), (24, 789085), (30, 631268), (33, 573880), (40, 473451), (44, 430410), (55, 344328), (60, 315634), (66, 286940), (88, 215205), (110, 172164), (120, 157817), (132, 143470), (165, 114776), (220, 86082), (264, 71735), (330, 57388), (440, 43041), (660, 28694), (1320, 14347)]