19595290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 42239232

約数和(自身を除く): 22643942

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 193, 286, 355, 386, 710, 715, 781, 923, 965, 1430, 1562, 1846, 1930, 2123, 2509, 3905, 4246, 4615, 5018, 7810, 9230, 10153, 10615, 12545, 13703, 20306, 21230, 25090, 27406, 27599, 50765, 55198, 68515, 101530, 137030, 137995, 150733, 178139, 275990, 301466, 356278, 753665, 890695, 1507330, 1781390, 1959529, 3919058, 9797645, 19595290]

約数ペア:

[(1, 19595290), (2, 9797645), (5, 3919058), (10, 1959529), (11, 1781390), (13, 1507330), (22, 890695), (26, 753665), (55, 356278), (65, 301466), (71, 275990), (110, 178139), (130, 150733), (142, 137995), (143, 137030), (193, 101530), (286, 68515), (355, 55198), (386, 50765), (710, 27599), (715, 27406), (781, 25090), (923, 21230), (965, 20306), (1430, 13703), (1562, 12545), (1846, 10615), (1930, 10153), (2123, 9230), (2509, 7810), (3905, 5018), (4246, 4615)]