19560772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 24186428

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1549, 1804, 3098, 3157, 6196, 6314, 10843, 12628, 17039, 21686, 34078, 43372, 63509, 68156, 119273, 127018, 238546, 254036, 444563, 477092, 698599, 889126, 1397198, 1778252, 2794396, 4890193, 9780386, 19560772]

約数ペア:

[(1, 19560772), (2, 9780386), (4, 4890193), (7, 2794396), (11, 1778252), (14, 1397198), (22, 889126), (28, 698599), (41, 477092), (44, 444563), (77, 254036), (82, 238546), (154, 127018), (164, 119273), (287, 68156), (308, 63509), (451, 43372), (574, 34078), (902, 21686), (1148, 17039), (1549, 12628), (1804, 10843), (3098, 6314), (3157, 6196)]