15940316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^3\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 34056960

約数和(自身を除く): 18116644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 361, 532, 581, 722, 1162, 1444, 1577, 2324, 2527, 3154, 5054, 6308, 6859, 10108, 11039, 13718, 22078, 27436, 29963, 44156, 48013, 59926, 96026, 119852, 192052, 209741, 419482, 569297, 838964, 1138594, 2277188, 3985079, 7970158, 15940316]

約数ペア:

[(1, 15940316), (2, 7970158), (4, 3985079), (7, 2277188), (14, 1138594), (19, 838964), (28, 569297), (38, 419482), (76, 209741), (83, 192052), (133, 119852), (166, 96026), (266, 59926), (332, 48013), (361, 44156), (532, 29963), (581, 27436), (722, 22078), (1162, 13718), (1444, 11039), (1577, 10108), (2324, 6859), (2527, 6308), (3154, 5054)]