19899306

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157931}}^1$

素因数の和:157946

約数の個数: 24

約数和(自身を含む): 49274784

約数和(自身を除く): 29375478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157931, 315862, 473793, 947586, 1105517, 1421379, 2211034, 2842758, 3316551, 6633102, 9949653, 19899306]

約数ペア:

[(1, 19899306), (2, 9949653), (3, 6633102), (6, 3316551), (7, 2842758), (9, 2211034), (14, 1421379), (18, 1105517), (21, 947586), (42, 473793), (63, 315862), (126, 157931)]