19318782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 47646720

約数和(自身を除く): 28327938

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 563, 602, 798, 817, 903, 1126, 1634, 1689, 1806, 2451, 3378, 3941, 4902, 5719, 7882, 10697, 11438, 11823, 17157, 21394, 23646, 24209, 32091, 34314, 48418, 64182, 72627, 74879, 145254, 149758, 169463, 224637, 338926, 449274, 459971, 508389, 919942, 1016778, 1379913, 2759826, 3219797, 6439594, 9659391, 19318782]

約数ペア:

[(1, 19318782), (2, 9659391), (3, 6439594), (6, 3219797), (7, 2759826), (14, 1379913), (19, 1016778), (21, 919942), (38, 508389), (42, 459971), (43, 449274), (57, 338926), (86, 224637), (114, 169463), (129, 149758), (133, 145254), (258, 74879), (266, 72627), (301, 64182), (399, 48418), (563, 34314), (602, 32091), (798, 24209), (817, 23646), (903, 21394), (1126, 17157), (1634, 11823), (1689, 11438), (1806, 10697), (2451, 7882), (3378, 5719), (3941, 4902)]