19203818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4243}}^1$

素因数の和:4349

約数の個数: 16

約数和(自身を含む): 30149376

約数和(自身を除く): 10945558

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4243, 4526, 8486, 131533, 263066, 309739, 619478, 9601909, 19203818]

約数ペア:

[(1, 19203818), (2, 9601909), (31, 619478), (62, 309739), (73, 263066), (146, 131533), (2263, 8486), (4243, 4526)]