18525308

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 35456400

約数和(自身を除く): 16931092

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 199, 398, 629, 796, 1258, 1369, 2516, 2738, 3383, 5476, 6766, 7363, 13532, 14726, 23273, 29452, 46546, 93092, 125171, 250342, 272431, 500684, 544862, 1089724, 4631327, 9262654, 18525308]

約数ペア:

[(1, 18525308), (2, 9262654), (4, 4631327), (17, 1089724), (34, 544862), (37, 500684), (68, 272431), (74, 250342), (148, 125171), (199, 93092), (398, 46546), (629, 29452), (796, 23273), (1258, 14726), (1369, 13532), (2516, 7363), (2738, 6766), (3383, 5476)]