18660166

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 17627834

約数列:

[1, 2, 7, 14, 19, 29, 38, 41, 58, 59, 82, 118, 133, 203, 266, 287, 406, 413, 551, 574, 779, 826, 1102, 1121, 1189, 1558, 1711, 2242, 2378, 2419, 3422, 3857, 4838, 5453, 7714, 7847, 8323, 10906, 11977, 15694, 16646, 16933, 22591, 23954, 32509, 33866, 45182, 45961, 65018, 70151, 91922, 140302, 158137, 227563, 316274, 321727, 455126, 491057, 643454, 982114, 1332869, 2665738, 9330083, 18660166]

約数ペア:

[(1, 18660166), (2, 9330083), (7, 2665738), (14, 1332869), (19, 982114), (29, 643454), (38, 491057), (41, 455126), (58, 321727), (59, 316274), (82, 227563), (118, 158137), (133, 140302), (203, 91922), (266, 70151), (287, 65018), (406, 45961), (413, 45182), (551, 33866), (574, 32509), (779, 23954), (826, 22591), (1102, 16933), (1121, 16646), (1189, 15694), (1558, 11977), (1711, 10906), (2242, 8323), (2378, 7847), (2419, 7714), (3422, 5453), (3857, 4838)]