18838185

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 31000320

約数和(自身を除く): 12162135

約数列:

[1, 3, 5, 15, 89, 103, 137, 267, 309, 411, 445, 515, 685, 1335, 1545, 2055, 9167, 12193, 14111, 27501, 36579, 42333, 45835, 60965, 70555, 137505, 182895, 211665, 1255879, 3767637, 6279395, 18838185]

約数ペア:

[(1, 18838185), (3, 6279395), (5, 3767637), (15, 1255879), (89, 211665), (103, 182895), (137, 137505), (267, 70555), (309, 60965), (411, 45835), (445, 42333), (515, 36579), (685, 27501), (1335, 14111), (1545, 12193), (2055, 9167)]