19928650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 42872256

約数和(自身を除く): 22943606

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 97, 175, 194, 350, 485, 587, 679, 970, 1174, 1358, 2425, 2935, 3395, 4109, 4850, 5870, 6790, 8218, 14675, 16975, 20545, 29350, 33950, 41090, 56939, 102725, 113878, 205450, 284695, 398573, 569390, 797146, 1423475, 1992865, 2846950, 3985730, 9964325, 19928650]

約数ペア:

[(1, 19928650), (2, 9964325), (5, 3985730), (7, 2846950), (10, 1992865), (14, 1423475), (25, 797146), (35, 569390), (50, 398573), (70, 284695), (97, 205450), (175, 113878), (194, 102725), (350, 56939), (485, 41090), (587, 33950), (679, 29350), (970, 20545), (1174, 16975), (1358, 14675), (2425, 8218), (2935, 6790), (3395, 5870), (4109, 4850)]