18261468

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 49886928

約数和(自身を除く): 31625460

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 53, 68, 102, 106, 153, 159, 204, 212, 306, 318, 477, 563, 612, 636, 901, 954, 1126, 1689, 1802, 1908, 2252, 2703, 3378, 3604, 5067, 5406, 6756, 8109, 9571, 10134, 10812, 16218, 19142, 20268, 28713, 29839, 32436, 38284, 57426, 59678, 86139, 89517, 114852, 119356, 172278, 179034, 268551, 344556, 358068, 507263, 537102, 1014526, 1074204, 1521789, 2029052, 3043578, 4565367, 6087156, 9130734, 18261468]

約数ペア:

[(1, 18261468), (2, 9130734), (3, 6087156), (4, 4565367), (6, 3043578), (9, 2029052), (12, 1521789), (17, 1074204), (18, 1014526), (34, 537102), (36, 507263), (51, 358068), (53, 344556), (68, 268551), (102, 179034), (106, 172278), (153, 119356), (159, 114852), (204, 89517), (212, 86139), (306, 59678), (318, 57426), (477, 38284), (563, 32436), (612, 29839), (636, 28713), (901, 20268), (954, 19142), (1126, 16218), (1689, 10812), (1802, 10134), (1908, 9571), (2252, 8109), (2703, 6756), (3378, 5406), (3604, 5067)]