19847640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165397}}^1$

素因数の和:165411

約数の個数: 32

約数和(自身を含む): 59543280

約数和(自身を除く): 39695640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165397, 330794, 496191, 661588, 826985, 992382, 1323176, 1653970, 1984764, 2480955, 3307940, 3969528, 4961910, 6615880, 9923820, 19847640]

約数ペア:

[(1, 19847640), (2, 9923820), (3, 6615880), (4, 4961910), (5, 3969528), (6, 3307940), (8, 2480955), (10, 1984764), (12, 1653970), (15, 1323176), (20, 992382), (24, 826985), (30, 661588), (40, 496191), (60, 330794), (120, 165397)]