18752085

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 17572203

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 881, 1419, 1935, 2365, 2643, 4257, 4405, 7095, 7929, 9691, 13215, 21285, 29073, 37883, 39645, 48455, 87219, 113649, 145365, 189415, 340947, 416713, 436095, 568245, 1250139, 1704735, 2083565, 3750417, 6250695, 18752085]

約数ペア:

[(1, 18752085), (3, 6250695), (5, 3750417), (9, 2083565), (11, 1704735), (15, 1250139), (33, 568245), (43, 436095), (45, 416713), (55, 340947), (99, 189415), (129, 145365), (165, 113649), (215, 87219), (387, 48455), (473, 39645), (495, 37883), (645, 29073), (881, 21285), (1419, 13215), (1935, 9691), (2365, 7929), (2643, 7095), (4257, 4405)]