19864903028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{186301}}^1$

素因数の和:186408

約数の個数: 48

約数和(自身を含む): 38810432640

約数和(自身を除く): 18945529612

約数列:

[1, 2, 4, 19, 23, 38, 46, 61, 76, 92, 122, 244, 437, 874, 1159, 1403, 1748, 2318, 2806, 4636, 5612, 26657, 53314, 106628, 186301, 372602, 745204, 3539719, 4284923, 7079438, 8569846, 11364361, 14158876, 17139692, 22728722, 45457444, 81413537, 162827074, 215922859, 261380303, 325654148, 431845718, 522760606, 863691436, 1045521212, 4966225757, 9932451514, 19864903028]

約数ペア:

[(1, 19864903028), (2, 9932451514), (4, 4966225757), (19, 1045521212), (23, 863691436), (38, 522760606), (46, 431845718), (61, 325654148), (76, 261380303), (92, 215922859), (122, 162827074), (244, 81413537), (437, 45457444), (874, 22728722), (1159, 17139692), (1403, 14158876), (1748, 11364361), (2318, 8569846), (2806, 7079438), (4636, 4284923), (5612, 3539719), (26657, 745204), (53314, 372602), (106628, 186301)]