20147778410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{253081}}^1$

素因数の和:253526

約数の個数: 32

約数和(自身を含む): 38265998400

約数和(自身を除く): 18118219990

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 419, 838, 2095, 4190, 7961, 15922, 39805, 79610, 253081, 506162, 1265405, 2530810, 4808539, 9617078, 24042695, 48085390, 106040939, 212081878, 530204695, 1060409390, 2014777841, 4029555682, 10073889205, 20147778410]

約数ペア:

[(1, 20147778410), (2, 10073889205), (5, 4029555682), (10, 2014777841), (19, 1060409390), (38, 530204695), (95, 212081878), (190, 106040939), (419, 48085390), (838, 24042695), (2095, 9617078), (4190, 4808539), (7961, 2530810), (15922, 1265405), (39805, 506162), (79610, 253081)]