19748295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 39716352

約数和(自身を除く): 19968057

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 883, 1065, 1491, 2485, 2649, 3195, 4415, 4473, 6181, 7455, 7947, 13245, 18543, 22365, 30905, 39735, 55629, 62693, 92715, 188079, 278145, 313465, 438851, 564237, 940395, 1316553, 2194255, 2821185, 3949659, 6582765, 19748295]

約数ペア:

[(1, 19748295), (3, 6582765), (5, 3949659), (7, 2821185), (9, 2194255), (15, 1316553), (21, 940395), (35, 564237), (45, 438851), (63, 313465), (71, 278145), (105, 188079), (213, 92715), (315, 62693), (355, 55629), (497, 39735), (639, 30905), (883, 22365), (1065, 18543), (1491, 13245), (2485, 7947), (2649, 7455), (3195, 6181), (4415, 4473)]