19971198

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 50450400

約数和(自身を除く): 30479202

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 81, 87, 109, 117, 162, 174, 218, 234, 243, 261, 327, 351, 377, 486, 522, 654, 702, 754, 783, 981, 1053, 1131, 1417, 1566, 1962, 2106, 2262, 2349, 2834, 2943, 3159, 3161, 3393, 4251, 4698, 5886, 6318, 6322, 6786, 7047, 8502, 8829, 9483, 10179, 12753, 14094, 17658, 18966, 20358, 25506, 26487, 28449, 30537, 38259, 41093, 52974, 56898, 61074, 76518, 82186, 85347, 91611, 114777, 123279, 170694, 183222, 229554, 246558, 256041, 344331, 369837, 512082, 688662, 739674, 768123, 1109511, 1536246, 2219022, 3328533, 6657066, 9985599, 19971198]

約数ペア:

[(1, 19971198), (2, 9985599), (3, 6657066), (6, 3328533), (9, 2219022), (13, 1536246), (18, 1109511), (26, 768123), (27, 739674), (29, 688662), (39, 512082), (54, 369837), (58, 344331), (78, 256041), (81, 246558), (87, 229554), (109, 183222), (117, 170694), (162, 123279), (174, 114777), (218, 91611), (234, 85347), (243, 82186), (261, 76518), (327, 61074), (351, 56898), (377, 52974), (486, 41093), (522, 38259), (654, 30537), (702, 28449), (754, 26487), (783, 25506), (981, 20358), (1053, 18966), (1131, 17658), (1417, 14094), (1566, 12753), (1962, 10179), (2106, 9483), (2262, 8829), (2349, 8502), (2834, 7047), (2943, 6786), (3159, 6322), (3161, 6318), (3393, 5886), (4251, 4698)]