18458910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{647}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 48218976

約数和(自身を除く): 29760066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 647, 951, 1294, 1585, 1902, 1941, 2853, 3170, 3235, 3882, 4755, 5706, 5823, 6470, 9510, 9705, 11646, 14265, 19410, 28530, 29115, 58230, 205099, 410198, 615297, 1025495, 1230594, 1845891, 2050990, 3076485, 3691782, 6152970, 9229455, 18458910]

約数ペア:

[(1, 18458910), (2, 9229455), (3, 6152970), (5, 3691782), (6, 3076485), (9, 2050990), (10, 1845891), (15, 1230594), (18, 1025495), (30, 615297), (45, 410198), (90, 205099), (317, 58230), (634, 29115), (647, 28530), (951, 19410), (1294, 14265), (1585, 11646), (1902, 9705), (1941, 9510), (2853, 6470), (3170, 5823), (3235, 5706), (3882, 4755)]