16641860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 36797376

約数和(自身を除く): 20155516

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 523, 740, 860, 1046, 1591, 2092, 2615, 3182, 5230, 6364, 7955, 10460, 15910, 19351, 22489, 31820, 38702, 44978, 77404, 89956, 96755, 112445, 193510, 224890, 387020, 449780, 832093, 1664186, 3328372, 4160465, 8320930, 16641860]

約数ペア:

[(1, 16641860), (2, 8320930), (4, 4160465), (5, 3328372), (10, 1664186), (20, 832093), (37, 449780), (43, 387020), (74, 224890), (86, 193510), (148, 112445), (172, 96755), (185, 89956), (215, 77404), (370, 44978), (430, 38702), (523, 31820), (740, 22489), (860, 19351), (1046, 15910), (1591, 10460), (2092, 7955), (2615, 6364), (3182, 5230)]