19075590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1171}}^1$

素因数の和:1365

約数の個数: 48

約数和(自身を含む): 49913136

約数和(自身を除く): 30837546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1171, 1629, 1810, 2342, 2715, 3258, 3513, 5430, 5855, 7026, 8145, 10539, 11710, 16290, 17565, 21078, 35130, 52695, 105390, 211951, 423902, 635853, 1059755, 1271706, 1907559, 2119510, 3179265, 3815118, 6358530, 9537795, 19075590]

約数ペア:

[(1, 19075590), (2, 9537795), (3, 6358530), (5, 3815118), (6, 3179265), (9, 2119510), (10, 1907559), (15, 1271706), (18, 1059755), (30, 635853), (45, 423902), (90, 211951), (181, 105390), (362, 52695), (543, 35130), (905, 21078), (1086, 17565), (1171, 16290), (1629, 11710), (1810, 10539), (2342, 8145), (2715, 7026), (3258, 5855), (3513, 5430)]