19651080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1973}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 59693760

約数和(自身を除く): 40042680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1973, 1992, 2490, 3320, 3946, 4980, 5919, 7892, 9865, 9960, 11838, 15784, 19730, 23676, 29595, 39460, 47352, 59190, 78920, 118380, 163759, 236760, 327518, 491277, 655036, 818795, 982554, 1310072, 1637590, 1965108, 2456385, 3275180, 3930216, 4912770, 6550360, 9825540, 19651080]

約数ペア:

[(1, 19651080), (2, 9825540), (3, 6550360), (4, 4912770), (5, 3930216), (6, 3275180), (8, 2456385), (10, 1965108), (12, 1637590), (15, 1310072), (20, 982554), (24, 818795), (30, 655036), (40, 491277), (60, 327518), (83, 236760), (120, 163759), (166, 118380), (249, 78920), (332, 59190), (415, 47352), (498, 39460), (664, 29595), (830, 23676), (996, 19730), (1245, 15784), (1660, 11838), (1973, 9960), (1992, 9865), (2490, 7892), (3320, 5919), (3946, 4980)]