18612875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 25945920

約数和(自身を除く): 7333045

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 323, 425, 461, 475, 1615, 2125, 2305, 2375, 7837, 8075, 8759, 11525, 39185, 40375, 43795, 57625, 148903, 195925, 218975, 744515, 979625, 1094875, 3722575, 18612875]

約数ペア:

[(1, 18612875), (5, 3722575), (17, 1094875), (19, 979625), (25, 744515), (85, 218975), (95, 195925), (125, 148903), (323, 57625), (425, 43795), (461, 40375), (475, 39185), (1615, 11525), (2125, 8759), (2305, 8075), (2375, 7837)]