19741965

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 32489856

約数和(自身を除く): 12747891

約数列:

[1, 3, 5, 15, 83, 101, 157, 249, 303, 415, 471, 505, 785, 1245, 1515, 2355, 8383, 13031, 15857, 25149, 39093, 41915, 47571, 65155, 79285, 125745, 195465, 237855, 1316131, 3948393, 6580655, 19741965]

約数ペア:

[(1, 19741965), (3, 6580655), (5, 3948393), (15, 1316131), (83, 237855), (101, 195465), (157, 125745), (249, 79285), (303, 65155), (415, 47571), (471, 41915), (505, 39093), (785, 25149), (1245, 15857), (1515, 13031), (2355, 8383)]