18317436

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 25881348

約数列:

[1, 2, 3, 4, 6, 12, 53, 83, 106, 159, 166, 212, 249, 318, 332, 347, 498, 636, 694, 996, 1041, 1388, 2082, 4164, 4399, 8798, 13197, 17596, 18391, 26394, 28801, 36782, 52788, 55173, 57602, 73564, 86403, 110346, 115204, 172806, 220692, 345612, 1526453, 3052906, 4579359, 6105812, 9158718, 18317436]

約数ペア:

[(1, 18317436), (2, 9158718), (3, 6105812), (4, 4579359), (6, 3052906), (12, 1526453), (53, 345612), (83, 220692), (106, 172806), (159, 115204), (166, 110346), (212, 86403), (249, 73564), (318, 57602), (332, 55173), (347, 52788), (498, 36782), (636, 28801), (694, 26394), (996, 18391), (1041, 17596), (1388, 13197), (2082, 8798), (4164, 4399)]