18953494

素因数分解:

$2^1\times 7^4\times {\mathrm{3947}}^1$

素因数の和:3977

約数の個数: 20

約数和(自身を含む): 33175044

約数和(自身を除く): 14221550

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 3947, 4802, 7894, 27629, 55258, 193403, 386806, 1353821, 2707642, 9476747, 18953494]

約数ペア:

[(1, 18953494), (2, 9476747), (7, 2707642), (14, 1353821), (49, 386806), (98, 193403), (343, 55258), (686, 27629), (2401, 7894), (3947, 4802)]