19690996856

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{561061}}^1$

素因数の和:561215

約数の個数: 32

約数和(自身を含む): 38174658480

約数和(自身を除く): 18483661624

約数列:

[1, 2, 4, 8, 41, 82, 107, 164, 214, 328, 428, 856, 4387, 8774, 17548, 35096, 561061, 1122122, 2244244, 4488488, 23003501, 46007002, 60033527, 92014004, 120067054, 184028008, 240134108, 480268216, 2461374607, 4922749214, 9845498428, 19690996856]

約数ペア:

[(1, 19690996856), (2, 9845498428), (4, 4922749214), (8, 2461374607), (41, 480268216), (82, 240134108), (107, 184028008), (164, 120067054), (214, 92014004), (328, 60033527), (428, 46007002), (856, 23003501), (4387, 4488488), (8774, 2244244), (17548, 1122122), (35096, 561061)]