19861212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3529}}^1$

素因数の和:3610

約数の個数: 48

約数和(自身を含む): 53768960

約数和(自身を除く): 33907748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3529, 5628, 7058, 10587, 14116, 21174, 24703, 42348, 49406, 74109, 98812, 148218, 236443, 296436, 472886, 709329, 945772, 1418658, 1655101, 2837316, 3310202, 4965303, 6620404, 9930606, 19861212]

約数ペア:

[(1, 19861212), (2, 9930606), (3, 6620404), (4, 4965303), (6, 3310202), (7, 2837316), (12, 1655101), (14, 1418658), (21, 945772), (28, 709329), (42, 472886), (67, 296436), (84, 236443), (134, 148218), (201, 98812), (268, 74109), (402, 49406), (469, 42348), (804, 24703), (938, 21174), (1407, 14116), (1876, 10587), (2814, 7058), (3529, 5628)]