19419798280

素因数分解:

$2^3\times 5^1\times {\mathrm{16823}}^1\times {\mathrm{28859}}^1$

素因数の和:45693

約数の個数: 32

約数和(自身を含む): 43698657600

約数和(自身を除く): 24278859320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16823, 28859, 33646, 57718, 67292, 84115, 115436, 134584, 144295, 168230, 230872, 288590, 336460, 577180, 672920, 1154360, 485494957, 970989914, 1941979828, 2427474785, 3883959656, 4854949570, 9709899140, 19419798280]

約数ペア:

[(1, 19419798280), (2, 9709899140), (4, 4854949570), (5, 3883959656), (8, 2427474785), (10, 1941979828), (20, 970989914), (40, 485494957), (16823, 1154360), (28859, 672920), (33646, 577180), (57718, 336460), (67292, 288590), (84115, 230872), (115436, 168230), (134584, 144295)]