19106840

素因数分解:

$2^3\times 5^1\times {\mathrm{477671}}^1$

素因数の和:477682

約数の個数: 16

約数和(自身を含む): 42990480

約数和(自身を除く): 23883640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 477671, 955342, 1910684, 2388355, 3821368, 4776710, 9553420, 19106840]

約数ペア:

[(1, 19106840), (2, 9553420), (4, 4776710), (5, 3821368), (8, 2388355), (10, 1910684), (20, 955342), (40, 477671)]