20181636748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1\times {\mathrm{32749}}^1$

素因数の和:34466

約数の個数: 48

約数和(自身を含む): 43495144000

約数和(自身を除く): 23313507252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1693, 3386, 6772, 11851, 22009, 23702, 32749, 44018, 47404, 65498, 88036, 130996, 154063, 229243, 308126, 425737, 458486, 616252, 851474, 916972, 1702948, 2980159, 5960318, 11920636, 55444057, 110888114, 221776228, 388108399, 720772741, 776216798, 1441545482, 1552433596, 2883090964, 5045409187, 10090818374, 20181636748]

約数ペア:

[(1, 20181636748), (2, 10090818374), (4, 5045409187), (7, 2883090964), (13, 1552433596), (14, 1441545482), (26, 776216798), (28, 720772741), (52, 388108399), (91, 221776228), (182, 110888114), (364, 55444057), (1693, 11920636), (3386, 5960318), (6772, 2980159), (11851, 1702948), (22009, 916972), (23702, 851474), (32749, 616252), (44018, 458486), (47404, 425737), (65498, 308126), (88036, 229243), (130996, 154063)]