19804382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12487}}^1$

素因数の和:12563

約数の個数: 16

約数和(自身を含む): 32518752

約数和(自身を除く): 12714370

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 12487, 24974, 162331, 324662, 761707, 1523414, 9902191, 19804382]

約数ペア:

[(1, 19804382), (2, 9902191), (13, 1523414), (26, 761707), (61, 324662), (122, 162331), (793, 24974), (1586, 12487)]