18291490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 23698910

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 809, 1190, 1330, 1615, 1618, 2261, 3230, 4045, 4522, 5663, 8090, 11305, 11326, 13753, 15371, 22610, 27506, 28315, 30742, 56630, 68765, 76855, 96271, 107597, 137530, 153710, 192542, 215194, 261307, 481355, 522614, 537985, 962710, 1075970, 1306535, 1829149, 2613070, 3658298, 9145745, 18291490]

約数ペア:

[(1, 18291490), (2, 9145745), (5, 3658298), (7, 2613070), (10, 1829149), (14, 1306535), (17, 1075970), (19, 962710), (34, 537985), (35, 522614), (38, 481355), (70, 261307), (85, 215194), (95, 192542), (119, 153710), (133, 137530), (170, 107597), (190, 96271), (238, 76855), (266, 68765), (323, 56630), (595, 30742), (646, 28315), (665, 27506), (809, 22610), (1190, 15371), (1330, 13753), (1615, 11326), (1618, 11305), (2261, 8090), (3230, 5663), (4045, 4522)]