19551441

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 36

約数和(自身を含む): 32878512

約数和(自身を除く): 13327071

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 787, 1183, 1911, 2361, 3549, 5509, 8281, 10231, 16527, 24843, 30693, 38563, 71617, 115689, 133003, 214851, 399009, 501319, 931021, 1503957, 2793063, 6517147, 19551441]

約数ペア:

[(1, 19551441), (3, 6517147), (7, 2793063), (13, 1503957), (21, 931021), (39, 501319), (49, 399009), (91, 214851), (147, 133003), (169, 115689), (273, 71617), (507, 38563), (637, 30693), (787, 24843), (1183, 16527), (1911, 10231), (2361, 8281), (3549, 5509)]