19195560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:839

約数の個数: 96

約数和(自身を含む): 63348480

約数和(自身を除く): 44152920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 751, 852, 1065, 1278, 1420, 1502, 1704, 2130, 2253, 2556, 2840, 3004, 3195, 3755, 4260, 4506, 5112, 6008, 6390, 6759, 7510, 8520, 9012, 11265, 12780, 13518, 15020, 18024, 22530, 25560, 27036, 30040, 33795, 45060, 53321, 54072, 67590, 90120, 106642, 135180, 159963, 213284, 266605, 270360, 319926, 426568, 479889, 533210, 639852, 799815, 959778, 1066420, 1279704, 1599630, 1919556, 2132840, 2399445, 3199260, 3839112, 4798890, 6398520, 9597780, 19195560]

約数ペア:

[(1, 19195560), (2, 9597780), (3, 6398520), (4, 4798890), (5, 3839112), (6, 3199260), (8, 2399445), (9, 2132840), (10, 1919556), (12, 1599630), (15, 1279704), (18, 1066420), (20, 959778), (24, 799815), (30, 639852), (36, 533210), (40, 479889), (45, 426568), (60, 319926), (71, 270360), (72, 266605), (90, 213284), (120, 159963), (142, 135180), (180, 106642), (213, 90120), (284, 67590), (355, 54072), (360, 53321), (426, 45060), (568, 33795), (639, 30040), (710, 27036), (751, 25560), (852, 22530), (1065, 18024), (1278, 15020), (1420, 13518), (1502, 12780), (1704, 11265), (2130, 9012), (2253, 8520), (2556, 7510), (2840, 6759), (3004, 6390), (3195, 6008), (3755, 5112), (4260, 4506)]