19847247

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6343}}^1$

素因数の和:6502

約数の個数: 16

約数和(自身を含む): 30451200

約数和(自身を除く): 10603953

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6343, 19029, 44401, 133203, 945107, 2835321, 6615749, 19847247]

約数ペア:

[(1, 19847247), (3, 6615749), (7, 2835321), (21, 945107), (149, 133203), (447, 44401), (1043, 19029), (3129, 6343)]