19530553

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 23141376

約数和(自身を除く): 3610823

約数列:

[1, 7, 53, 61, 371, 427, 863, 3233, 6041, 22631, 45739, 52643, 320173, 368501, 2790079, 19530553]

約数ペア:

[(1, 19530553), (7, 2790079), (53, 368501), (61, 320173), (371, 52643), (427, 45739), (863, 22631), (3233, 6041)]