19449130

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2003}}^1$

素因数の和:2981

約数の個数: 16

約数和(自身を含む): 35061984

約数和(自身を除く): 15612854

約数列:

[1, 2, 5, 10, 971, 1942, 2003, 4006, 4855, 9710, 10015, 20030, 1944913, 3889826, 9724565, 19449130]

約数ペア:

[(1, 19449130), (2, 9724565), (5, 3889826), (10, 1944913), (971, 20030), (1942, 10015), (2003, 9710), (4006, 4855)]