18725382

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 44732688

約数和(自身を除く): 26007306

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 1861, 3354, 3722, 5031, 5583, 10062, 11166, 16749, 24193, 33498, 48386, 72579, 80023, 145158, 160046, 217737, 240069, 435474, 480138, 720207, 1040299, 1440414, 2080598, 3120897, 6241794, 9362691, 18725382]

約数ペア:

[(1, 18725382), (2, 9362691), (3, 6241794), (6, 3120897), (9, 2080598), (13, 1440414), (18, 1040299), (26, 720207), (39, 480138), (43, 435474), (78, 240069), (86, 217737), (117, 160046), (129, 145158), (234, 80023), (258, 72579), (387, 48386), (559, 33498), (774, 24193), (1118, 16749), (1677, 11166), (1861, 10062), (3354, 5583), (3722, 5031)]