18361904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2$

素因数の和:91

約数の個数: 90

約数和(自身を含む): 43511724

約数和(自身を除く): 25149820

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 176, 187, 209, 272, 289, 304, 323, 361, 374, 418, 578, 646, 722, 748, 836, 1156, 1292, 1444, 1496, 1672, 2312, 2584, 2888, 2992, 3179, 3344, 3553, 3971, 4624, 5168, 5491, 5776, 6137, 6358, 7106, 7942, 10982, 12274, 12716, 14212, 15884, 21964, 24548, 25432, 28424, 31768, 43928, 49096, 50864, 56848, 60401, 63536, 67507, 87856, 98192, 104329, 120802, 135014, 208658, 241604, 270028, 417316, 483208, 540056, 834632, 966416, 1080112, 1147619, 1669264, 2295238, 4590476, 9180952, 18361904]

約数ペア:

[(1, 18361904), (2, 9180952), (4, 4590476), (8, 2295238), (11, 1669264), (16, 1147619), (17, 1080112), (19, 966416), (22, 834632), (34, 540056), (38, 483208), (44, 417316), (68, 270028), (76, 241604), (88, 208658), (136, 135014), (152, 120802), (176, 104329), (187, 98192), (209, 87856), (272, 67507), (289, 63536), (304, 60401), (323, 56848), (361, 50864), (374, 49096), (418, 43928), (578, 31768), (646, 28424), (722, 25432), (748, 24548), (836, 21964), (1156, 15884), (1292, 14212), (1444, 12716), (1496, 12274), (1672, 10982), (2312, 7942), (2584, 7106), (2888, 6358), (2992, 6137), (3179, 5776), (3344, 5491), (3553, 5168), (3971, 4624)]