19765893

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6317}}^1$

素因数の和:6476

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 10560507

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6317, 18951, 44219, 132657, 941233, 2823699, 6588631, 19765893]

約数ペア:

[(1, 19765893), (3, 6588631), (7, 2823699), (21, 941233), (149, 132657), (447, 44219), (1043, 18951), (3129, 6317)]