19459475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 30283776

約数和(自身を除く): 10824301

約数列:

[1, 5, 7, 17, 25, 31, 35, 85, 119, 155, 175, 211, 217, 425, 527, 595, 775, 1055, 1085, 1477, 2635, 2975, 3587, 3689, 5275, 5425, 6541, 7385, 13175, 17935, 18445, 25109, 32705, 36925, 45787, 89675, 92225, 111197, 125545, 163525, 228935, 555985, 627725, 778379, 1144675, 2779925, 3891895, 19459475]

約数ペア:

[(1, 19459475), (5, 3891895), (7, 2779925), (17, 1144675), (25, 778379), (31, 627725), (35, 555985), (85, 228935), (119, 163525), (155, 125545), (175, 111197), (211, 92225), (217, 89675), (425, 45787), (527, 36925), (595, 32705), (775, 25109), (1055, 18445), (1085, 17935), (1477, 13175), (2635, 7385), (2975, 6541), (3587, 5425), (3689, 5275)]