19409187

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6203}}^1$

素因数の和:6362

約数の個数: 16

約数和(自身を含む): 29779200

約数和(自身を除く): 10370013

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6203, 18609, 43421, 130263, 924247, 2772741, 6469729, 19409187]

約数ペア:

[(1, 19409187), (3, 6469729), (7, 2772741), (21, 924247), (149, 130263), (447, 43421), (1043, 18609), (3129, 6203)]