19651065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 38776320

約数和(自身を除く): 19125255

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 101, 105, 109, 119, 255, 303, 327, 357, 505, 545, 595, 707, 763, 1515, 1635, 1717, 1785, 1853, 2121, 2289, 3535, 3815, 5151, 5559, 8585, 9265, 10605, 11009, 11445, 12019, 12971, 25755, 27795, 33027, 36057, 38913, 55045, 60095, 64855, 77063, 165135, 180285, 187153, 194565, 231189, 385315, 561459, 935765, 1155945, 1310071, 2807295, 3930213, 6550355, 19651065]

約数ペア:

[(1, 19651065), (3, 6550355), (5, 3930213), (7, 2807295), (15, 1310071), (17, 1155945), (21, 935765), (35, 561459), (51, 385315), (85, 231189), (101, 194565), (105, 187153), (109, 180285), (119, 165135), (255, 77063), (303, 64855), (327, 60095), (357, 55045), (505, 38913), (545, 36057), (595, 33027), (707, 27795), (763, 25755), (1515, 12971), (1635, 12019), (1717, 11445), (1785, 11009), (1853, 10605), (2121, 9265), (2289, 8585), (3535, 5559), (3815, 5151)]