19638057

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 8747223

約数列:

[1, 3, 41, 43, 47, 79, 123, 129, 141, 237, 1763, 1927, 2021, 3239, 3397, 3713, 5289, 5781, 6063, 9717, 10191, 11139, 82861, 139277, 152233, 159659, 248583, 417831, 456699, 478977, 6546019, 19638057]

約数ペア:

[(1, 19638057), (3, 6546019), (41, 478977), (43, 456699), (47, 417831), (79, 248583), (123, 159659), (129, 152233), (141, 139277), (237, 82861), (1763, 11139), (1927, 10191), (2021, 9717), (3239, 6063), (3397, 5781), (3713, 5289)]