18934740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 63999936

約数和(自身を除く): 45065196

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, 73, 90, 99, 110, 131, 132, 146, 165, 180, 198, 219, 220, 262, 292, 330, 365, 393, 396, 438, 495, 524, 655, 657, 660, 730, 786, 803, 876, 990, 1095, 1179, 1310, 1314, 1441, 1460, 1572, 1606, 1965, 1980, 2190, 2358, 2409, 2620, 2628, 2882, 3212, 3285, 3930, 4015, 4323, 4380, 4716, 4818, 5764, 5895, 6570, 7205, 7227, 7860, 8030, 8646, 9563, 9636, 11790, 12045, 12969, 13140, 14410, 14454, 16060, 17292, 19126, 21615, 23580, 24090, 25938, 28689, 28820, 28908, 36135, 38252, 43230, 47815, 48180, 51876, 57378, 64845, 72270, 86067, 86460, 95630, 105193, 114756, 129690, 143445, 144540, 172134, 191260, 210386, 259380, 286890, 315579, 344268, 420772, 430335, 525965, 573780, 631158, 860670, 946737, 1051930, 1262316, 1577895, 1721340, 1893474, 2103860, 3155790, 3786948, 4733685, 6311580, 9467370, 18934740]

約数ペア:

[(1, 18934740), (2, 9467370), (3, 6311580), (4, 4733685), (5, 3786948), (6, 3155790), (9, 2103860), (10, 1893474), (11, 1721340), (12, 1577895), (15, 1262316), (18, 1051930), (20, 946737), (22, 860670), (30, 631158), (33, 573780), (36, 525965), (44, 430335), (45, 420772), (55, 344268), (60, 315579), (66, 286890), (73, 259380), (90, 210386), (99, 191260), (110, 172134), (131, 144540), (132, 143445), (146, 129690), (165, 114756), (180, 105193), (198, 95630), (219, 86460), (220, 86067), (262, 72270), (292, 64845), (330, 57378), (365, 51876), (393, 48180), (396, 47815), (438, 43230), (495, 38252), (524, 36135), (655, 28908), (657, 28820), (660, 28689), (730, 25938), (786, 24090), (803, 23580), (876, 21615), (990, 19126), (1095, 17292), (1179, 16060), (1310, 14454), (1314, 14410), (1441, 13140), (1460, 12969), (1572, 12045), (1606, 11790), (1965, 9636), (1980, 9563), (2190, 8646), (2358, 8030), (2409, 7860), (2620, 7227), (2628, 7205), (2882, 6570), (3212, 5895), (3285, 5764), (3930, 4818), (4015, 4716), (4323, 4380)]