18692420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5953}}^1$

素因数の和:6119

約数の個数: 24

約数和(自身を含む): 39510744

約数和(自身を除く): 20818324

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5953, 11906, 23812, 29765, 59530, 119060, 934621, 1869242, 3738484, 4673105, 9346210, 18692420]

約数ペア:

[(1, 18692420), (2, 9346210), (4, 4673105), (5, 3738484), (10, 1869242), (20, 934621), (157, 119060), (314, 59530), (628, 29765), (785, 23812), (1570, 11906), (3140, 5953)]