18880347025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{201767}}^1$

素因数の和:201993

約数の個数: 24

約数和(自身を含む): 24769039680

約数和(自身を除く): 5888692655

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 3743, 4925, 18715, 93575, 201767, 1008835, 3833573, 5044175, 19167865, 39748099, 95839325, 198740495, 755213881, 993702475, 3776069405, 18880347025]

約数ペア:

[(1, 18880347025), (5, 3776069405), (19, 993702475), (25, 755213881), (95, 198740495), (197, 95839325), (475, 39748099), (985, 19167865), (3743, 5044175), (4925, 3833573), (18715, 1008835), (93575, 201767)]