19887090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1103}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 47851776

約数和(自身を除く): 27964686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 601, 1103, 1202, 1803, 2206, 3005, 3309, 3606, 5515, 6010, 6618, 9015, 11030, 16545, 18030, 33090, 662903, 1325806, 1988709, 3314515, 3977418, 6629030, 9943545, 19887090]

約数ペア:

[(1, 19887090), (2, 9943545), (3, 6629030), (5, 3977418), (6, 3314515), (10, 1988709), (15, 1325806), (30, 662903), (601, 33090), (1103, 18030), (1202, 16545), (1803, 11030), (2206, 9015), (3005, 6618), (3309, 6010), (3606, 5515)]