18942658

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18382142

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 59, 71, 118, 119, 133, 142, 238, 266, 323, 413, 497, 646, 826, 994, 1003, 1121, 1207, 1349, 2006, 2242, 2261, 2414, 2698, 4189, 4522, 7021, 7847, 8378, 8449, 9443, 14042, 15694, 16898, 18886, 19057, 22933, 29323, 38114, 45866, 58646, 71213, 79591, 133399, 142426, 159182, 160531, 266798, 321062, 498491, 557137, 996982, 1114274, 1353047, 2706094, 9471329, 18942658]

約数ペア:

[(1, 18942658), (2, 9471329), (7, 2706094), (14, 1353047), (17, 1114274), (19, 996982), (34, 557137), (38, 498491), (59, 321062), (71, 266798), (118, 160531), (119, 159182), (133, 142426), (142, 133399), (238, 79591), (266, 71213), (323, 58646), (413, 45866), (497, 38114), (646, 29323), (826, 22933), (994, 19057), (1003, 18886), (1121, 16898), (1207, 15694), (1349, 14042), (2006, 9443), (2242, 8449), (2261, 8378), (2414, 7847), (2698, 7021), (4189, 4522)]