19538006980

素因数分解:

$2^2\times 5^1\times {\mathrm{5413}}^1\times {\mathrm{180473}}^1$

素因数の和:185895

約数の個数: 24

約数和(自身を含む): 41037621912

約数和(自身を除く): 21499614932

約数列:

[1, 2, 4, 5, 10, 20, 5413, 10826, 21652, 27065, 54130, 108260, 180473, 360946, 721892, 902365, 1804730, 3609460, 976900349, 1953800698, 3907601396, 4884501745, 9769003490, 19538006980]

約数ペア:

[(1, 19538006980), (2, 9769003490), (4, 4884501745), (5, 3907601396), (10, 1953800698), (20, 976900349), (5413, 3609460), (10826, 1804730), (21652, 902365), (27065, 721892), (54130, 360946), (108260, 180473)]