18886122

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1597}}^1$

素因数の和:1684

約数の個数: 40

約数和(自身を含む): 42925476

約数和(自身を除く): 24039354

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1597, 1971, 3194, 3942, 4791, 5913, 9582, 11826, 14373, 28746, 43119, 86238, 116581, 129357, 233162, 258714, 349743, 699486, 1049229, 2098458, 3147687, 6295374, 9443061, 18886122]

約数ペア:

[(1, 18886122), (2, 9443061), (3, 6295374), (6, 3147687), (9, 2098458), (18, 1049229), (27, 699486), (54, 349743), (73, 258714), (81, 233162), (146, 129357), (162, 116581), (219, 86238), (438, 43119), (657, 28746), (1314, 14373), (1597, 11826), (1971, 9582), (3194, 5913), (3942, 4791)]