19369090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 38513448

約数和(自身を除く): 19144358

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 157, 169, 314, 338, 365, 730, 785, 845, 949, 1570, 1690, 1898, 2041, 4082, 4745, 9490, 10205, 11461, 12337, 20410, 22922, 24674, 26533, 53066, 57305, 61685, 114610, 123370, 132665, 148993, 265330, 297986, 744965, 1489930, 1936909, 3873818, 9684545, 19369090]

約数ペア:

[(1, 19369090), (2, 9684545), (5, 3873818), (10, 1936909), (13, 1489930), (26, 744965), (65, 297986), (73, 265330), (130, 148993), (146, 132665), (157, 123370), (169, 114610), (314, 61685), (338, 57305), (365, 53066), (730, 26533), (785, 24674), (845, 22922), (949, 20410), (1570, 12337), (1690, 11461), (1898, 10205), (2041, 9490), (4082, 4745)]