19806408

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1151}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 34107192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1151, 1434, 1912, 2151, 2302, 2868, 3453, 4302, 4604, 5736, 6906, 8604, 9208, 10359, 13812, 17208, 20718, 27624, 41436, 82872, 275089, 550178, 825267, 1100356, 1650534, 2200712, 2475801, 3301068, 4951602, 6602136, 9903204, 19806408]

約数ペア:

[(1, 19806408), (2, 9903204), (3, 6602136), (4, 4951602), (6, 3301068), (8, 2475801), (9, 2200712), (12, 1650534), (18, 1100356), (24, 825267), (36, 550178), (72, 275089), (239, 82872), (478, 41436), (717, 27624), (956, 20718), (1151, 17208), (1434, 13812), (1912, 10359), (2151, 9208), (2302, 8604), (2868, 6906), (3453, 5736), (4302, 4604)]