18482440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 25970360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 293, 332, 380, 415, 586, 664, 760, 830, 1172, 1465, 1577, 1660, 2344, 2930, 3154, 3320, 5567, 5860, 6308, 7885, 11134, 11720, 12616, 15770, 22268, 24319, 27835, 31540, 44536, 48638, 55670, 63080, 97276, 111340, 121595, 194552, 222680, 243190, 462061, 486380, 924122, 972760, 1848244, 2310305, 3696488, 4620610, 9241220, 18482440]

約数ペア:

[(1, 18482440), (2, 9241220), (4, 4620610), (5, 3696488), (8, 2310305), (10, 1848244), (19, 972760), (20, 924122), (38, 486380), (40, 462061), (76, 243190), (83, 222680), (95, 194552), (152, 121595), (166, 111340), (190, 97276), (293, 63080), (332, 55670), (380, 48638), (415, 44536), (586, 31540), (664, 27835), (760, 24319), (830, 22268), (1172, 15770), (1465, 12616), (1577, 11720), (1660, 11134), (2344, 7885), (2930, 6308), (3154, 5860), (3320, 5567)]