19305951

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2153}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 30448944

約数和(自身を除く): 11142993

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2153, 2989, 6459, 8967, 15071, 45213, 105497, 131333, 316491, 393999, 919331, 2757993, 6435317, 19305951]

約数ペア:

[(1, 19305951), (3, 6435317), (7, 2757993), (21, 919331), (49, 393999), (61, 316491), (147, 131333), (183, 105497), (427, 45213), (1281, 15071), (2153, 8967), (2989, 6459)]