19781552154

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{12907}}^1$

素因数の和:13340

約数の個数: 96

約数和(自身を含む): 49690017216

約数和(自身を除く): 29908465062

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 401, 546, 637, 802, 1203, 1274, 1911, 2406, 2807, 3822, 5213, 5614, 8421, 10426, 12907, 15639, 16842, 19649, 25814, 31278, 36491, 38721, 39298, 58947, 72982, 77442, 90349, 109473, 117894, 167791, 180698, 218946, 255437, 271047, 335582, 503373, 510874, 542094, 632443, 766311, 1006746, 1174537, 1264886, 1532622, 1897329, 2349074, 3523611, 3794658, 5175707, 7047222, 8221759, 10351414, 15527121, 16443518, 24665277, 31054242, 36229949, 49330554, 67284191, 72459898, 108689847, 134568382, 201852573, 217379694, 253609643, 403705146, 470989337, 507219286, 760828929, 941978674, 1412968011, 1521657858, 2825936022, 3296925359, 6593850718, 9890776077, 19781552154]

約数ペア:

[(1, 19781552154), (2, 9890776077), (3, 6593850718), (6, 3296925359), (7, 2825936022), (13, 1521657858), (14, 1412968011), (21, 941978674), (26, 760828929), (39, 507219286), (42, 470989337), (49, 403705146), (78, 253609643), (91, 217379694), (98, 201852573), (147, 134568382), (182, 108689847), (273, 72459898), (294, 67284191), (401, 49330554), (546, 36229949), (637, 31054242), (802, 24665277), (1203, 16443518), (1274, 15527121), (1911, 10351414), (2406, 8221759), (2807, 7047222), (3822, 5175707), (5213, 3794658), (5614, 3523611), (8421, 2349074), (10426, 1897329), (12907, 1532622), (15639, 1264886), (16842, 1174537), (19649, 1006746), (25814, 766311), (31278, 632443), (36491, 542094), (38721, 510874), (39298, 503373), (58947, 335582), (72982, 271047), (77442, 255437), (90349, 218946), (109473, 180698), (117894, 167791)]