19640664

素因数分解:

$2^3\times 3^3\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 35655336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 108, 158, 216, 237, 316, 474, 632, 711, 948, 1151, 1422, 1896, 2133, 2302, 2844, 3453, 4266, 4604, 5688, 6906, 8532, 9208, 10359, 13812, 17064, 20718, 27624, 31077, 41436, 62154, 82872, 90929, 124308, 181858, 248616, 272787, 363716, 545574, 727432, 818361, 1091148, 1636722, 2182296, 2455083, 3273444, 4910166, 6546888, 9820332, 19640664]

約数ペア:

[(1, 19640664), (2, 9820332), (3, 6546888), (4, 4910166), (6, 3273444), (8, 2455083), (9, 2182296), (12, 1636722), (18, 1091148), (24, 818361), (27, 727432), (36, 545574), (54, 363716), (72, 272787), (79, 248616), (108, 181858), (158, 124308), (216, 90929), (237, 82872), (316, 62154), (474, 41436), (632, 31077), (711, 27624), (948, 20718), (1151, 17064), (1422, 13812), (1896, 10359), (2133, 9208), (2302, 8532), (2844, 6906), (3453, 5688), (4266, 4604)]