18350944

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 37721376

約数和(自身を除く): 19370432

約数列:

[1, 2, 4, 8, 16, 32, 41, 71, 82, 142, 164, 197, 284, 328, 394, 568, 656, 788, 1136, 1312, 1576, 2272, 2911, 3152, 5822, 6304, 8077, 11644, 13987, 16154, 23288, 27974, 32308, 46576, 55948, 64616, 93152, 111896, 129232, 223792, 258464, 447584, 573467, 1146934, 2293868, 4587736, 9175472, 18350944]

約数ペア:

[(1, 18350944), (2, 9175472), (4, 4587736), (8, 2293868), (16, 1146934), (32, 573467), (41, 447584), (71, 258464), (82, 223792), (142, 129232), (164, 111896), (197, 93152), (284, 64616), (328, 55948), (394, 46576), (568, 32308), (656, 27974), (788, 23288), (1136, 16154), (1312, 13987), (1576, 11644), (2272, 8077), (2911, 6304), (3152, 5822)]