11817620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 26429760

約数和(自身を除く): 14612140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 227, 274, 380, 454, 548, 685, 908, 1135, 1370, 2270, 2603, 2740, 4313, 4540, 5206, 8626, 10412, 13015, 17252, 21565, 26030, 31099, 43130, 52060, 62198, 86260, 124396, 155495, 310990, 590881, 621980, 1181762, 2363524, 2954405, 5908810, 11817620]

約数ペア:

[(1, 11817620), (2, 5908810), (4, 2954405), (5, 2363524), (10, 1181762), (19, 621980), (20, 590881), (38, 310990), (76, 155495), (95, 124396), (137, 86260), (190, 62198), (227, 52060), (274, 43130), (380, 31099), (454, 26030), (548, 21565), (685, 17252), (908, 13015), (1135, 10412), (1370, 8626), (2270, 5206), (2603, 4540), (2740, 4313)]