19388520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53857}}^1$

素因数の和:53874

約数の個数: 48

約数和(自身を含む): 63013860

約数和(自身を除く): 43625340

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, 53857, 107714, 161571, 215428, 269285, 323142, 430856, 484713, 538570, 646284, 807855, 969426, 1077140, 1292568, 1615710, 1938852, 2154280, 2423565, 3231420, 3877704, 4847130, 6462840, 9694260, 19388520]

約数ペア:

[(1, 19388520), (2, 9694260), (3, 6462840), (4, 4847130), (5, 3877704), (6, 3231420), (8, 2423565), (9, 2154280), (10, 1938852), (12, 1615710), (15, 1292568), (18, 1077140), (20, 969426), (24, 807855), (30, 646284), (36, 538570), (40, 484713), (45, 430856), (60, 323142), (72, 269285), (90, 215428), (120, 161571), (180, 107714), (360, 53857)]