19423551

素因数分解:

$3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 30310320

約数和(自身を除く): 10886769

約数列:

[1, 3, 7, 21, 49, 147, 229, 577, 687, 1603, 1731, 4039, 4809, 11221, 12117, 28273, 33663, 84819, 132133, 396399, 924931, 2774793, 6474517, 19423551]

約数ペア:

[(1, 19423551), (3, 6474517), (7, 2774793), (21, 924931), (49, 396399), (147, 132133), (229, 84819), (577, 33663), (687, 28273), (1603, 12117), (1731, 11221), (4039, 4809)]