19019390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6361}}^1$

素因数の和:6404

約数の個数: 32

約数和(自身を含む): 38477376

約数和(自身を除く): 19457986

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6361, 12722, 31805, 63610, 82693, 146303, 165386, 292606, 413465, 731515, 826930, 1463030, 1901939, 3803878, 9509695, 19019390]

約数ペア:

[(1, 19019390), (2, 9509695), (5, 3803878), (10, 1901939), (13, 1463030), (23, 826930), (26, 731515), (46, 413465), (65, 292606), (115, 165386), (130, 146303), (230, 82693), (299, 63610), (598, 31805), (1495, 12722), (2990, 6361)]