19418040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53939}}^1$

素因数の和:53956

約数の個数: 48

約数和(自身を含む): 63109800

約数和(自身を除く): 43691760

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, 53939, 107878, 161817, 215756, 269695, 323634, 431512, 485451, 539390, 647268, 809085, 970902, 1078780, 1294536, 1618170, 1941804, 2157560, 2427255, 3236340, 3883608, 4854510, 6472680, 9709020, 19418040]

約数ペア:

[(1, 19418040), (2, 9709020), (3, 6472680), (4, 4854510), (5, 3883608), (6, 3236340), (8, 2427255), (9, 2157560), (10, 1941804), (12, 1618170), (15, 1294536), (18, 1078780), (20, 970902), (24, 809085), (30, 647268), (36, 539390), (40, 485451), (45, 431512), (60, 323634), (72, 269695), (90, 215756), (120, 161817), (180, 107878), (360, 53939)]