19893573

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 34206720

約数和(自身を除く): 14313147

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1571, 1809, 4221, 4713, 10997, 12663, 14139, 32991, 42417, 98973, 105257, 296919, 315771, 736799, 947313, 2210397, 2841939, 6631191, 19893573]

約数ペア:

[(1, 19893573), (3, 6631191), (7, 2841939), (9, 2210397), (21, 947313), (27, 736799), (63, 315771), (67, 296919), (189, 105257), (201, 98973), (469, 42417), (603, 32991), (1407, 14139), (1571, 12663), (1809, 10997), (4221, 4713)]