19974940312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{346739}}^1$

素因数の和:347143

約数の個数: 32

約数和(自身を含む): 39528360000

約数和(自身を除く): 19553419688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 379, 758, 1516, 3032, 7201, 14402, 28804, 57608, 346739, 693478, 1386956, 2773912, 6588041, 13176082, 26352164, 52704328, 131414081, 262828162, 525656324, 1051312648, 2496867539, 4993735078, 9987470156, 19974940312]

約数ペア:

[(1, 19974940312), (2, 9987470156), (4, 4993735078), (8, 2496867539), (19, 1051312648), (38, 525656324), (76, 262828162), (152, 131414081), (379, 52704328), (758, 26352164), (1516, 13176082), (3032, 6588041), (7201, 2773912), (14402, 1386956), (28804, 693478), (57608, 346739)]