19393020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11971}}^1$

素因数の和:11992

約数の個数: 60

約数和(自身を含む): 60841704

約数和(自身を除く): 41448684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11971, 23942, 35913, 47884, 59855, 71826, 107739, 119710, 143652, 179565, 215478, 239420, 323217, 359130, 430956, 538695, 646434, 718260, 969651, 1077390, 1292868, 1616085, 1939302, 2154780, 3232170, 3878604, 4848255, 6464340, 9696510, 19393020]

約数ペア:

[(1, 19393020), (2, 9696510), (3, 6464340), (4, 4848255), (5, 3878604), (6, 3232170), (9, 2154780), (10, 1939302), (12, 1616085), (15, 1292868), (18, 1077390), (20, 969651), (27, 718260), (30, 646434), (36, 538695), (45, 430956), (54, 359130), (60, 323217), (81, 239420), (90, 215478), (108, 179565), (135, 143652), (162, 119710), (180, 107739), (270, 71826), (324, 59855), (405, 47884), (540, 35913), (810, 23942), (1620, 11971)]