18108520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23827}}^1$

素因数の和:23857

約数の個数: 32

約数和(自身を含む): 42890400

約数和(自身を除く): 24781880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23827, 47654, 95308, 119135, 190616, 238270, 452713, 476540, 905426, 953080, 1810852, 2263565, 3621704, 4527130, 9054260, 18108520]

約数ペア:

[(1, 18108520), (2, 9054260), (4, 4527130), (5, 3621704), (8, 2263565), (10, 1810852), (19, 953080), (20, 905426), (38, 476540), (40, 452713), (76, 238270), (95, 190616), (152, 119135), (190, 95308), (380, 47654), (760, 23827)]