19760195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 29490048

約数和(自身を除く): 9729853

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 317, 455, 685, 959, 1585, 1781, 2219, 4121, 4795, 8905, 11095, 12467, 20605, 28847, 43429, 62335, 144235, 217145, 304003, 564577, 1520015, 2822885, 3952039, 19760195]

約数ペア:

[(1, 19760195), (5, 3952039), (7, 2822885), (13, 1520015), (35, 564577), (65, 304003), (91, 217145), (137, 144235), (317, 62335), (455, 43429), (685, 28847), (959, 20605), (1585, 12467), (1781, 11095), (2219, 8905), (4121, 4795)]