19439966

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15259}}^1$

素因数の和:15288

約数の個数: 24

約数和(自身を含む): 36532440

約数和(自身を除く): 17092474

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 15259, 30518, 106813, 198367, 213626, 396734, 747691, 1388569, 1495382, 2777138, 9719983, 19439966]

約数ペア:

[(1, 19439966), (2, 9719983), (7, 2777138), (13, 1495382), (14, 1388569), (26, 747691), (49, 396734), (91, 213626), (98, 198367), (182, 106813), (637, 30518), (1274, 15259)]