19776695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 26593920

約数和(自身を除く): 6817225

約数列:

[1, 5, 17, 29, 71, 85, 113, 145, 355, 493, 565, 1207, 1921, 2059, 2465, 3277, 6035, 8023, 9605, 10295, 16385, 35003, 40115, 55709, 136391, 175015, 232667, 278545, 681955, 1163335, 3955339, 19776695]

約数ペア:

[(1, 19776695), (5, 3955339), (17, 1163335), (29, 681955), (71, 278545), (85, 232667), (113, 175015), (145, 136391), (355, 55709), (493, 40115), (565, 35003), (1207, 16385), (1921, 10295), (2059, 9605), (2465, 8023), (3277, 6035)]