19563948

素因数分解:

$2^2\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1297}}^1$

素因数の和:1726

約数の個数: 36

約数和(自身を含む): 49609560

約数和(自身を除く): 30045612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 419, 838, 1257, 1297, 1676, 2514, 2594, 3771, 3891, 5028, 5188, 7542, 7782, 11673, 15084, 15564, 23346, 46692, 543443, 1086886, 1630329, 2173772, 3260658, 4890987, 6521316, 9781974, 19563948]

約数ペア:

[(1, 19563948), (2, 9781974), (3, 6521316), (4, 4890987), (6, 3260658), (9, 2173772), (12, 1630329), (18, 1086886), (36, 543443), (419, 46692), (838, 23346), (1257, 15564), (1297, 15084), (1676, 11673), (2514, 7782), (2594, 7542), (3771, 5188), (3891, 5028)]