17960586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 43960320

約数和(自身を除く): 25999734

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 71, 114, 133, 142, 213, 266, 317, 399, 426, 497, 634, 798, 951, 994, 1349, 1491, 1902, 2219, 2698, 2982, 4047, 4438, 6023, 6657, 8094, 9443, 12046, 13314, 18069, 18886, 22507, 28329, 36138, 42161, 45014, 56658, 67521, 84322, 126483, 135042, 157549, 252966, 315098, 427633, 472647, 855266, 945294, 1282899, 2565798, 2993431, 5986862, 8980293, 17960586]

約数ペア:

[(1, 17960586), (2, 8980293), (3, 5986862), (6, 2993431), (7, 2565798), (14, 1282899), (19, 945294), (21, 855266), (38, 472647), (42, 427633), (57, 315098), (71, 252966), (114, 157549), (133, 135042), (142, 126483), (213, 84322), (266, 67521), (317, 56658), (399, 45014), (426, 42161), (497, 36138), (634, 28329), (798, 22507), (951, 18886), (994, 18069), (1349, 13314), (1491, 12046), (1902, 9443), (2219, 8094), (2698, 6657), (2982, 6023), (4047, 4438)]