12171990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{643}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 29304576

約数和(自身を除く): 17132586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 631, 643, 1262, 1286, 1893, 1929, 3155, 3215, 3786, 3858, 6310, 6430, 9465, 9645, 18930, 19290, 405733, 811466, 1217199, 2028665, 2434398, 4057330, 6085995, 12171990]

約数ペア:

[(1, 12171990), (2, 6085995), (3, 4057330), (5, 2434398), (6, 2028665), (10, 1217199), (15, 811466), (30, 405733), (631, 19290), (643, 18930), (1262, 9645), (1286, 9465), (1893, 6430), (1929, 6310), (3155, 3858), (3215, 3786)]