18083865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 31534272

約数和(自身を除く): 13450407

約数列:

[1, 3, 5, 15, 23, 43, 53, 69, 115, 129, 159, 215, 265, 345, 529, 645, 795, 989, 1219, 1587, 2279, 2645, 2967, 3657, 4945, 6095, 6837, 7935, 11395, 14835, 18285, 22747, 28037, 34185, 52417, 68241, 84111, 113735, 140185, 157251, 262085, 341205, 420555, 786255, 1205591, 3616773, 6027955, 18083865]

約数ペア:

[(1, 18083865), (3, 6027955), (5, 3616773), (15, 1205591), (23, 786255), (43, 420555), (53, 341205), (69, 262085), (115, 157251), (129, 140185), (159, 113735), (215, 84111), (265, 68241), (345, 52417), (529, 34185), (645, 28037), (795, 22747), (989, 18285), (1219, 14835), (1587, 11395), (2279, 7935), (2645, 6837), (2967, 6095), (3657, 4945)]