18491330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 39892608

約数和(自身を除く): 21401278

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 67, 110, 130, 134, 143, 193, 286, 335, 386, 670, 715, 737, 871, 965, 1430, 1474, 1742, 1930, 2123, 2509, 3685, 4246, 4355, 5018, 7370, 8710, 9581, 10615, 12545, 12931, 19162, 21230, 25090, 25862, 27599, 47905, 55198, 64655, 95810, 129310, 137995, 142241, 168103, 275990, 284482, 336206, 711205, 840515, 1422410, 1681030, 1849133, 3698266, 9245665, 18491330]

約数ペア:

[(1, 18491330), (2, 9245665), (5, 3698266), (10, 1849133), (11, 1681030), (13, 1422410), (22, 840515), (26, 711205), (55, 336206), (65, 284482), (67, 275990), (110, 168103), (130, 142241), (134, 137995), (143, 129310), (193, 95810), (286, 64655), (335, 55198), (386, 47905), (670, 27599), (715, 25862), (737, 25090), (871, 21230), (965, 19162), (1430, 12931), (1474, 12545), (1742, 10615), (1930, 9581), (2123, 8710), (2509, 7370), (3685, 5018), (4246, 4355)]