18381270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{947}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 44229888

約数和(自身を除く): 25848618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 647, 947, 1294, 1894, 1941, 2841, 3235, 3882, 4735, 5682, 6470, 9470, 9705, 14205, 19410, 28410, 612709, 1225418, 1838127, 3063545, 3676254, 6127090, 9190635, 18381270]

約数ペア:

[(1, 18381270), (2, 9190635), (3, 6127090), (5, 3676254), (6, 3063545), (10, 1838127), (15, 1225418), (30, 612709), (647, 28410), (947, 19410), (1294, 14205), (1894, 9705), (1941, 9470), (2841, 6470), (3235, 5682), (3882, 4735)]