200458018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1087}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 332144640

約数和(自身を除く): 131686622

約数列:

[1, 2, 19, 23, 38, 46, 211, 422, 437, 874, 1087, 2174, 4009, 4853, 8018, 9706, 20653, 25001, 41306, 50002, 92207, 184414, 229357, 458714, 475019, 950038, 4357783, 5275211, 8715566, 10550422, 100229009, 200458018]

約数ペア:

[(1, 200458018), (2, 100229009), (19, 10550422), (23, 8715566), (38, 5275211), (46, 4357783), (211, 950038), (422, 475019), (437, 458714), (874, 229357), (1087, 184414), (2174, 92207), (4009, 50002), (4853, 41306), (8018, 25001), (9706, 20653)]