19662768

素因数分解:

$2^4\times 3^2\times {\mathrm{136547}}^1$

素因数の和:136561

約数の個数: 30

約数和(自身を含む): 55028844

約数和(自身を除く): 35366076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136547, 273094, 409641, 546188, 819282, 1092376, 1228923, 1638564, 2184752, 2457846, 3277128, 4915692, 6554256, 9831384, 19662768]

約数ペア:

[(1, 19662768), (2, 9831384), (3, 6554256), (4, 4915692), (6, 3277128), (8, 2457846), (9, 2184752), (12, 1638564), (16, 1228923), (18, 1092376), (24, 819282), (36, 546188), (48, 409641), (72, 273094), (144, 136547)]