19491605

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 29707776

約数和(自身を除く): 10216171

約数列:

[1, 5, 7, 17, 35, 41, 47, 85, 119, 205, 235, 287, 289, 329, 595, 697, 799, 1435, 1445, 1645, 1927, 2023, 3485, 3995, 4879, 5593, 9635, 10115, 11849, 13489, 13583, 24395, 27965, 32759, 59245, 67445, 67915, 82943, 95081, 163795, 229313, 414715, 475405, 556903, 1146565, 2784515, 3898321, 19491605]

約数ペア:

[(1, 19491605), (5, 3898321), (7, 2784515), (17, 1146565), (35, 556903), (41, 475405), (47, 414715), (85, 229313), (119, 163795), (205, 95081), (235, 82943), (287, 67915), (289, 67445), (329, 59245), (595, 32759), (697, 27965), (799, 24395), (1435, 13583), (1445, 13489), (1645, 11849), (1927, 10115), (2023, 9635), (3485, 5593), (3995, 4879)]