19191240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53309}}^1$

素因数の和:53326

約数の個数: 48

約数和(自身を含む): 62372700

約数和(自身を除く): 43181460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 53309, 106618, 159927, 213236, 266545, 319854, 426472, 479781, 533090, 639708, 799635, 959562, 1066180, 1279416, 1599270, 1919124, 2132360, 2398905, 3198540, 3838248, 4797810, 6397080, 9595620, 19191240]

約数ペア:

[(1, 19191240), (2, 9595620), (3, 6397080), (4, 4797810), (5, 3838248), (6, 3198540), (8, 2398905), (9, 2132360), (10, 1919124), (12, 1599270), (15, 1279416), (18, 1066180), (20, 959562), (24, 799635), (30, 639708), (36, 533090), (40, 479781), (45, 426472), (60, 319854), (72, 266545), (90, 213236), (120, 159927), (180, 106618), (360, 53309)]