19078380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1277}}^1$

素因数の和:1375

約数の個数: 72

約数和(自身を含む): 58614192

約数和(自身を除く): 39535812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1277, 1494, 1660, 2490, 2554, 2988, 3735, 3831, 4980, 5108, 6385, 7470, 7662, 11493, 12770, 14940, 15324, 19155, 22986, 25540, 38310, 45972, 57465, 76620, 105991, 114930, 211982, 229860, 317973, 423964, 529955, 635946, 953919, 1059910, 1271892, 1589865, 1907838, 2119820, 3179730, 3815676, 4769595, 6359460, 9539190, 19078380]

約数ペア:

[(1, 19078380), (2, 9539190), (3, 6359460), (4, 4769595), (5, 3815676), (6, 3179730), (9, 2119820), (10, 1907838), (12, 1589865), (15, 1271892), (18, 1059910), (20, 953919), (30, 635946), (36, 529955), (45, 423964), (60, 317973), (83, 229860), (90, 211982), (166, 114930), (180, 105991), (249, 76620), (332, 57465), (415, 45972), (498, 38310), (747, 25540), (830, 22986), (996, 19155), (1245, 15324), (1277, 14940), (1494, 12770), (1660, 11493), (2490, 7662), (2554, 7470), (2988, 6385), (3735, 5108), (3831, 4980)]