19684890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{72907}}^1$

素因数の和:72923

約数の個数: 32

約数和(自身を含む): 52493760

約数和(自身を除く): 32808870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 72907, 145814, 218721, 364535, 437442, 656163, 729070, 1093605, 1312326, 1968489, 2187210, 3280815, 3936978, 6561630, 9842445, 19684890]

約数ペア:

[(1, 19684890), (2, 9842445), (3, 6561630), (5, 3936978), (6, 3280815), (9, 2187210), (10, 1968489), (15, 1312326), (18, 1093605), (27, 729070), (30, 656163), (45, 437442), (54, 364535), (90, 218721), (135, 145814), (270, 72907)]