19071688

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 38847780

約数和(自身を除く): 19776092

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 113, 136, 146, 226, 289, 292, 452, 578, 584, 904, 1156, 1241, 1921, 2312, 2482, 3842, 4964, 7684, 8249, 9928, 15368, 16498, 21097, 32657, 32996, 42194, 65314, 65992, 84388, 130628, 140233, 168776, 261256, 280466, 560932, 1121864, 2383961, 4767922, 9535844, 19071688]

約数ペア:

[(1, 19071688), (2, 9535844), (4, 4767922), (8, 2383961), (17, 1121864), (34, 560932), (68, 280466), (73, 261256), (113, 168776), (136, 140233), (146, 130628), (226, 84388), (289, 65992), (292, 65314), (452, 42194), (578, 32996), (584, 32657), (904, 21097), (1156, 16498), (1241, 15368), (1921, 9928), (2312, 8249), (2482, 7684), (3842, 4964)]