18293576

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 22763704

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 71, 86, 107, 142, 172, 214, 284, 301, 344, 428, 497, 568, 602, 749, 856, 994, 1204, 1498, 1988, 2408, 2996, 3053, 3976, 4601, 5992, 6106, 7597, 9202, 12212, 15194, 18404, 21371, 24424, 30388, 32207, 36808, 42742, 53179, 60776, 64414, 85484, 106358, 128828, 170968, 212716, 257656, 326671, 425432, 653342, 1306684, 2286697, 2613368, 4573394, 9146788, 18293576]

約数ペア:

[(1, 18293576), (2, 9146788), (4, 4573394), (7, 2613368), (8, 2286697), (14, 1306684), (28, 653342), (43, 425432), (56, 326671), (71, 257656), (86, 212716), (107, 170968), (142, 128828), (172, 106358), (214, 85484), (284, 64414), (301, 60776), (344, 53179), (428, 42742), (497, 36808), (568, 32207), (602, 30388), (749, 24424), (856, 21371), (994, 18404), (1204, 15194), (1498, 12212), (1988, 9202), (2408, 7597), (2996, 6106), (3053, 5992), (3976, 4601)]