19585720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6359}}^1$

素因数の和:6388

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 35364680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6359, 12718, 25436, 31795, 44513, 50872, 63590, 69949, 89026, 127180, 139898, 178052, 222565, 254360, 279796, 349745, 356104, 445130, 489643, 559592, 699490, 890260, 979286, 1398980, 1780520, 1958572, 2448215, 2797960, 3917144, 4896430, 9792860, 19585720]

約数ペア:

[(1, 19585720), (2, 9792860), (4, 4896430), (5, 3917144), (7, 2797960), (8, 2448215), (10, 1958572), (11, 1780520), (14, 1398980), (20, 979286), (22, 890260), (28, 699490), (35, 559592), (40, 489643), (44, 445130), (55, 356104), (56, 349745), (70, 279796), (77, 254360), (88, 222565), (110, 178052), (140, 139898), (154, 127180), (220, 89026), (280, 69949), (308, 63590), (385, 50872), (440, 44513), (616, 31795), (770, 25436), (1540, 12718), (3080, 6359)]