18161816

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 34925040

約数和(自身を除く): 16763224

約数列:

[1, 2, 4, 8, 73, 137, 146, 227, 274, 292, 454, 548, 584, 908, 1096, 1816, 10001, 16571, 20002, 31099, 33142, 40004, 62198, 66284, 80008, 124396, 132568, 248792, 2270227, 4540454, 9080908, 18161816]

約数ペア:

[(1, 18161816), (2, 9080908), (4, 4540454), (8, 2270227), (73, 248792), (137, 132568), (146, 124396), (227, 80008), (274, 66284), (292, 62198), (454, 40004), (548, 33142), (584, 31099), (908, 20002), (1096, 16571), (1816, 10001)]