19298307

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 30509136

約数和(自身を除く): 11210829

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2477, 2597, 7431, 7791, 17339, 52017, 121373, 131281, 364119, 393843, 918967, 2756901, 6432769, 19298307]

約数ペア:

[(1, 19298307), (3, 6432769), (7, 2756901), (21, 918967), (49, 393843), (53, 364119), (147, 131281), (159, 121373), (371, 52017), (1113, 17339), (2477, 7791), (2597, 7431)]