18711506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 31712256

約数和(自身を除く): 13000750

約数列:

[1, 2, 11, 22, 61, 73, 122, 146, 191, 382, 671, 803, 1342, 1606, 2101, 4202, 4453, 8906, 11651, 13943, 23302, 27886, 48983, 97966, 128161, 153373, 256322, 306746, 850523, 1701046, 9355753, 18711506]

約数ペア:

[(1, 18711506), (2, 9355753), (11, 1701046), (22, 850523), (61, 306746), (73, 256322), (122, 153373), (146, 128161), (191, 97966), (382, 48983), (671, 27886), (803, 23302), (1342, 13943), (1606, 11651), (2101, 8906), (4202, 4453)]