19741708

素因数分解:

$2^2\times 7^3\times {\mathrm{14389}}^1$

素因数の和:14414

約数の個数: 24

約数和(自身を含む): 40292000

約数和(自身を除く): 20550292

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14389, 28778, 57556, 100723, 201446, 402892, 705061, 1410122, 2820244, 4935427, 9870854, 19741708]

約数ペア:

[(1, 19741708), (2, 9870854), (4, 4935427), (7, 2820244), (14, 1410122), (28, 705061), (49, 402892), (98, 201446), (196, 100723), (343, 57556), (686, 28778), (1372, 14389)]