18016020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 62008128

約数和(自身を除く): 43992108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 243, 270, 297, 324, 330, 337, 396, 405, 486, 495, 540, 594, 660, 674, 810, 891, 972, 990, 1011, 1188, 1215, 1348, 1485, 1620, 1685, 1782, 1980, 2022, 2430, 2673, 2970, 3033, 3370, 3564, 3707, 4044, 4455, 4860, 5055, 5346, 5940, 6066, 6740, 7414, 8910, 9099, 10110, 10692, 11121, 12132, 13365, 14828, 15165, 17820, 18198, 18535, 20220, 22242, 26730, 27297, 30330, 33363, 36396, 37070, 44484, 45495, 53460, 54594, 55605, 60660, 66726, 74140, 81891, 90990, 100089, 109188, 111210, 133452, 136485, 163782, 166815, 181980, 200178, 222420, 272970, 300267, 327564, 333630, 400356, 409455, 500445, 545940, 600534, 667260, 818910, 900801, 1000890, 1201068, 1501335, 1637820, 1801602, 2001780, 3002670, 3603204, 4504005, 6005340, 9008010, 18016020]

約数ペア:

[(1, 18016020), (2, 9008010), (3, 6005340), (4, 4504005), (5, 3603204), (6, 3002670), (9, 2001780), (10, 1801602), (11, 1637820), (12, 1501335), (15, 1201068), (18, 1000890), (20, 900801), (22, 818910), (27, 667260), (30, 600534), (33, 545940), (36, 500445), (44, 409455), (45, 400356), (54, 333630), (55, 327564), (60, 300267), (66, 272970), (81, 222420), (90, 200178), (99, 181980), (108, 166815), (110, 163782), (132, 136485), (135, 133452), (162, 111210), (165, 109188), (180, 100089), (198, 90990), (220, 81891), (243, 74140), (270, 66726), (297, 60660), (324, 55605), (330, 54594), (337, 53460), (396, 45495), (405, 44484), (486, 37070), (495, 36396), (540, 33363), (594, 30330), (660, 27297), (674, 26730), (810, 22242), (891, 20220), (972, 18535), (990, 18198), (1011, 17820), (1188, 15165), (1215, 14828), (1348, 13365), (1485, 12132), (1620, 11121), (1685, 10692), (1782, 10110), (1980, 9099), (2022, 8910), (2430, 7414), (2673, 6740), (2970, 6066), (3033, 5940), (3370, 5346), (3564, 5055), (3707, 4860), (4044, 4455)]