19905350983

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2633}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 25074247104

約数和(自身を除く): 5168896121

約数列:

[1, 7, 17, 37, 101, 119, 259, 289, 629, 707, 1717, 2023, 2633, 3737, 4403, 10693, 12019, 18431, 26159, 29189, 44761, 63529, 74851, 97421, 204323, 265933, 313327, 444703, 681947, 760937, 1079993, 1656157, 1861531, 4520861, 5326559, 7559951, 9839521, 11593099, 28154669, 31646027, 68876647, 76854637, 167271857, 197082683, 537982459, 1170902999, 2843621569, 19905350983]

約数ペア:

[(1, 19905350983), (7, 2843621569), (17, 1170902999), (37, 537982459), (101, 197082683), (119, 167271857), (259, 76854637), (289, 68876647), (629, 31646027), (707, 28154669), (1717, 11593099), (2023, 9839521), (2633, 7559951), (3737, 5326559), (4403, 4520861), (10693, 1861531), (12019, 1656157), (18431, 1079993), (26159, 760937), (29189, 681947), (44761, 444703), (63529, 313327), (74851, 265933), (97421, 204323)]