19400703

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17431}}^1$

素因数の和:17494

約数の個数: 16

約数和(自身を含む): 30122496

約数和(自身を除く): 10721793

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17431, 52293, 122017, 366051, 923843, 2771529, 6466901, 19400703]

約数ペア:

[(1, 19400703), (3, 6466901), (7, 2771529), (21, 923843), (53, 366051), (159, 122017), (371, 52293), (1113, 17431)]