18885116536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{239}}^2$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 44376764040

約数和(自身を除く): 25491647504

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 239, 286, 289, 374, 442, 478, 572, 578, 748, 884, 956, 1144, 1156, 1496, 1768, 1912, 2312, 2431, 2629, 3107, 3179, 3757, 4063, 4862, 5258, 6214, 6358, 7514, 8126, 9724, 10516, 12428, 12716, 15028, 16252, 19448, 21032, 24856, 25432, 30056, 32504, 34177, 41327, 44693, 52819, 57121, 68354, 69071, 82654, 89386, 105638, 114242, 136708, 138142, 165308, 178772, 211276, 228484, 273416, 276284, 330616, 357544, 422552, 456968, 552568, 581009, 628331, 742573, 759781, 897923, 971057, 1162018, 1256662, 1485146, 1519562, 1795846, 1942114, 2324036, 2513324, 2970292, 3039124, 3591692, 3884228, 4648072, 5026648, 5940584, 6078248, 7183384, 7768456, 8168303, 9877153, 10681627, 12623741, 16336606, 16507969, 19754306, 21363254, 25247482, 32673212, 33015938, 39508612, 42726508, 50494964, 65346424, 66031876, 79017224, 85453016, 100989928, 132063752, 138861151, 181587659, 214603597, 277722302, 363175318, 429207194, 555444604, 726350636, 858414388, 1110889208, 1452701272, 1716828776, 2360639567, 4721279134, 9442558268, 18885116536]

約数ペア:

[(1, 18885116536), (2, 9442558268), (4, 4721279134), (8, 2360639567), (11, 1716828776), (13, 1452701272), (17, 1110889208), (22, 858414388), (26, 726350636), (34, 555444604), (44, 429207194), (52, 363175318), (68, 277722302), (88, 214603597), (104, 181587659), (136, 138861151), (143, 132063752), (187, 100989928), (221, 85453016), (239, 79017224), (286, 66031876), (289, 65346424), (374, 50494964), (442, 42726508), (478, 39508612), (572, 33015938), (578, 32673212), (748, 25247482), (884, 21363254), (956, 19754306), (1144, 16507969), (1156, 16336606), (1496, 12623741), (1768, 10681627), (1912, 9877153), (2312, 8168303), (2431, 7768456), (2629, 7183384), (3107, 6078248), (3179, 5940584), (3757, 5026648), (4063, 4648072), (4862, 3884228), (5258, 3591692), (6214, 3039124), (6358, 2970292), (7514, 2513324), (8126, 2324036), (9724, 1942114), (10516, 1795846), (12428, 1519562), (12716, 1485146), (15028, 1256662), (16252, 1162018), (19448, 971057), (21032, 897923), (24856, 759781), (25432, 742573), (30056, 628331), (32504, 581009), (34177, 552568), (41327, 456968), (44693, 422552), (52819, 357544), (57121, 330616), (68354, 276284), (69071, 273416), (82654, 228484), (89386, 211276), (105638, 178772), (114242, 165308), (136708, 138142)]