19521148415

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1\times {\mathrm{4561}}^1$

素因数の和:5171

約数の個数: 32

約数和(自身を含む): 24689981952

約数和(自身を除く): 5168833537

約数列:

[1, 5, 31, 53, 155, 265, 521, 1643, 2605, 4561, 8215, 16151, 22805, 27613, 80755, 138065, 141391, 241733, 706955, 856003, 1208665, 2376281, 4280015, 7493723, 11881405, 37468615, 73664711, 125942893, 368323555, 629714465, 3904229683, 19521148415]

約数ペア:

[(1, 19521148415), (5, 3904229683), (31, 629714465), (53, 368323555), (155, 125942893), (265, 73664711), (521, 37468615), (1643, 11881405), (2605, 7493723), (4561, 4280015), (8215, 2376281), (16151, 1208665), (22805, 856003), (27613, 706955), (80755, 241733), (138065, 141391)]