18040590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 48628800

約数和(自身を除く): 30588210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 109, 135, 218, 270, 327, 545, 613, 654, 981, 1090, 1226, 1635, 1839, 1962, 2943, 3065, 3270, 3678, 4905, 5517, 5886, 6130, 9195, 9810, 11034, 14715, 16551, 18390, 27585, 29430, 33102, 55170, 66817, 82755, 133634, 165510, 200451, 334085, 400902, 601353, 668170, 1002255, 1202706, 1804059, 2004510, 3006765, 3608118, 6013530, 9020295, 18040590]

約数ペア:

[(1, 18040590), (2, 9020295), (3, 6013530), (5, 3608118), (6, 3006765), (9, 2004510), (10, 1804059), (15, 1202706), (18, 1002255), (27, 668170), (30, 601353), (45, 400902), (54, 334085), (90, 200451), (109, 165510), (135, 133634), (218, 82755), (270, 66817), (327, 55170), (545, 33102), (613, 29430), (654, 27585), (981, 18390), (1090, 16551), (1226, 14715), (1635, 11034), (1839, 9810), (1962, 9195), (2943, 6130), (3065, 5886), (3270, 5517), (3678, 4905)]