18190728

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{797}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 49483980

約数和(自身を除く): 31293252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 797, 951, 1268, 1594, 1902, 2391, 2536, 2853, 3188, 3804, 4782, 5706, 6376, 7173, 7608, 9564, 11412, 14346, 19128, 22824, 28692, 57384, 252649, 505298, 757947, 1010596, 1515894, 2021192, 2273841, 3031788, 4547682, 6063576, 9095364, 18190728]

約数ペア:

[(1, 18190728), (2, 9095364), (3, 6063576), (4, 4547682), (6, 3031788), (8, 2273841), (9, 2021192), (12, 1515894), (18, 1010596), (24, 757947), (36, 505298), (72, 252649), (317, 57384), (634, 28692), (797, 22824), (951, 19128), (1268, 14346), (1594, 11412), (1902, 9564), (2391, 7608), (2536, 7173), (2853, 6376), (3188, 5706), (3804, 4782)]