19703944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4621}}^1$

素因数の和:4681

約数の個数: 32

約数和(自身を含む): 40766040

約数和(自身を除く): 21062096

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4621, 9242, 18484, 36968, 60073, 120146, 189461, 240292, 378922, 480584, 757844, 1515688, 2462993, 4925986, 9851972, 19703944]

約数ペア:

[(1, 19703944), (2, 9851972), (4, 4925986), (8, 2462993), (13, 1515688), (26, 757844), (41, 480584), (52, 378922), (82, 240292), (104, 189461), (164, 120146), (328, 60073), (533, 36968), (1066, 18484), (2132, 9242), (4264, 4621)]