19513228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 42085120

約数和(自身を除く): 22571892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 853, 1204, 1634, 1706, 3268, 3412, 5719, 5971, 11438, 11942, 16207, 22876, 23884, 32414, 36679, 64828, 73358, 113449, 146716, 226898, 256753, 453796, 513506, 696901, 1027012, 1393802, 2787604, 4878307, 9756614, 19513228]

約数ペア:

[(1, 19513228), (2, 9756614), (4, 4878307), (7, 2787604), (14, 1393802), (19, 1027012), (28, 696901), (38, 513506), (43, 453796), (76, 256753), (86, 226898), (133, 146716), (172, 113449), (266, 73358), (301, 64828), (532, 36679), (602, 32414), (817, 23884), (853, 22876), (1204, 16207), (1634, 11942), (1706, 11438), (3268, 5971), (3412, 5719)]