18894420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2837}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 58882824

約数和(自身を除く): 39988404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2837, 3330, 5674, 6660, 8511, 11348, 14185, 17022, 25533, 28370, 34044, 42555, 51066, 56740, 85110, 102132, 104969, 127665, 170220, 209938, 255330, 314907, 419876, 510660, 524845, 629814, 944721, 1049690, 1259628, 1574535, 1889442, 2099380, 3149070, 3778884, 4723605, 6298140, 9447210, 18894420]

約数ペア:

[(1, 18894420), (2, 9447210), (3, 6298140), (4, 4723605), (5, 3778884), (6, 3149070), (9, 2099380), (10, 1889442), (12, 1574535), (15, 1259628), (18, 1049690), (20, 944721), (30, 629814), (36, 524845), (37, 510660), (45, 419876), (60, 314907), (74, 255330), (90, 209938), (111, 170220), (148, 127665), (180, 104969), (185, 102132), (222, 85110), (333, 56740), (370, 51066), (444, 42555), (555, 34044), (666, 28370), (740, 25533), (1110, 17022), (1332, 14185), (1665, 11348), (2220, 8511), (2837, 6660), (3330, 5674)]