18734252720

素因数分解:

$2^4\times 5^1\times {\mathrm{234178159}}^1$

素因数の和:234178172

約数の個数: 20

約数和(自身を含む): 43557137760

約数和(自身を除く): 24822885040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234178159, 468356318, 936712636, 1170890795, 1873425272, 2341781590, 3746850544, 4683563180, 9367126360, 18734252720]

約数ペア:

[(1, 18734252720), (2, 9367126360), (4, 4683563180), (5, 3746850544), (8, 2341781590), (10, 1873425272), (16, 1170890795), (20, 936712636), (40, 468356318), (80, 234178159)]