19873112506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1\times {\mathrm{809}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 34353396000

約数和(自身を除く): 14480283494

約数列:

[1, 2, 13, 17, 26, 34, 149, 221, 298, 373, 442, 746, 809, 1618, 1937, 2533, 3874, 4849, 5066, 6341, 9698, 10517, 12682, 13753, 21034, 27506, 32929, 55577, 65858, 82433, 111154, 120541, 164866, 178789, 241082, 301757, 357578, 603514, 722501, 944809, 1445002, 1567033, 1889618, 2049197, 3134066, 3922841, 4098394, 5129869, 7845682, 10259738, 12282517, 24565034, 26639561, 44961793, 53279122, 66688297, 89923586, 133376594, 584503309, 764350481, 1169006618, 1528700962, 9936556253, 19873112506]

約数ペア:

[(1, 19873112506), (2, 9936556253), (13, 1528700962), (17, 1169006618), (26, 764350481), (34, 584503309), (149, 133376594), (221, 89923586), (298, 66688297), (373, 53279122), (442, 44961793), (746, 26639561), (809, 24565034), (1618, 12282517), (1937, 10259738), (2533, 7845682), (3874, 5129869), (4849, 4098394), (5066, 3922841), (6341, 3134066), (9698, 2049197), (10517, 1889618), (12682, 1567033), (13753, 1445002), (21034, 944809), (27506, 722501), (32929, 603514), (55577, 357578), (65858, 301757), (82433, 241082), (111154, 178789), (120541, 164866)]