17919690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 26870070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 71, 94, 141, 142, 179, 213, 235, 282, 355, 358, 426, 470, 537, 705, 710, 895, 1065, 1074, 1410, 1790, 2130, 2685, 3337, 5370, 6674, 8413, 10011, 12709, 16685, 16826, 20022, 25239, 25418, 33370, 38127, 42065, 50055, 50478, 63545, 76254, 84130, 100110, 126195, 127090, 190635, 252390, 381270, 597323, 1194646, 1791969, 2986615, 3583938, 5973230, 8959845, 17919690]

約数ペア:

[(1, 17919690), (2, 8959845), (3, 5973230), (5, 3583938), (6, 2986615), (10, 1791969), (15, 1194646), (30, 597323), (47, 381270), (71, 252390), (94, 190635), (141, 127090), (142, 126195), (179, 100110), (213, 84130), (235, 76254), (282, 63545), (355, 50478), (358, 50055), (426, 42065), (470, 38127), (537, 33370), (705, 25418), (710, 25239), (895, 20022), (1065, 16826), (1074, 16685), (1410, 12709), (1790, 10011), (2130, 8413), (2685, 6674), (3337, 5370)]