18940818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6563}}^1$

素因数の和:6618

約数の個数: 32

約数和(自身を含む): 41904576

約数和(自身を除く): 22963758

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 6563, 13126, 19689, 39378, 85319, 170638, 242831, 255957, 485662, 511914, 728493, 1456986, 3156803, 6313606, 9470409, 18940818]

約数ペア:

[(1, 18940818), (2, 9470409), (3, 6313606), (6, 3156803), (13, 1456986), (26, 728493), (37, 511914), (39, 485662), (74, 255957), (78, 242831), (111, 170638), (222, 85319), (481, 39378), (962, 19689), (1443, 13126), (2886, 6563)]