19566396

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1291}}^1$

素因数の和:1722

約数の個数: 36

約数和(自身を含む): 49615384

約数和(自身を除く): 30048988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1291, 1684, 2526, 2582, 3789, 3873, 5052, 5164, 7578, 7746, 11619, 15156, 15492, 23238, 46476, 543511, 1087022, 1630533, 2174044, 3261066, 4891599, 6522132, 9783198, 19566396]

約数ペア:

[(1, 19566396), (2, 9783198), (3, 6522132), (4, 4891599), (6, 3261066), (9, 2174044), (12, 1630533), (18, 1087022), (36, 543511), (421, 46476), (842, 23238), (1263, 15492), (1291, 15156), (1684, 11619), (2526, 7746), (2582, 7578), (3789, 5164), (3873, 5052)]