2018703488

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 4525372800

約数和(自身を除く): 2506669312

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 157, 272, 304, 311, 314, 323, 544, 608, 622, 628, 646, 1088, 1216, 1244, 1256, 1292, 2176, 2432, 2488, 2512, 2584, 2669, 2983, 4976, 5024, 5168, 5287, 5338, 5909, 5966, 9952, 10048, 10336, 10574, 10676, 11818, 11932, 19904, 20096, 20672, 21148, 21352, 23636, 23864, 39808, 41344, 42296, 42704, 47272, 47728, 48827, 50711, 84592, 85408, 94544, 95456, 97654, 100453, 101422, 169184, 170816, 189088, 190912, 195308, 200906, 202844, 338368, 341632, 378176, 381824, 390616, 401812, 405688, 676736, 756352, 781232, 803624, 811376, 830059, 927713, 1562464, 1607248, 1622752, 1660118, 1855426, 3124928, 3214496, 3245504, 3320236, 3710852, 6249856, 6428992, 6491008, 6640472, 7421704, 12857984, 13280944, 14843408, 15771121, 26561888, 29686816, 31542242, 53123776, 59373632, 63084484, 106247552, 118747264, 126168968, 252337936, 504675872, 1009351744, 2018703488]

約数ペア:

[(1, 2018703488), (2, 1009351744), (4, 504675872), (8, 252337936), (16, 126168968), (17, 118747264), (19, 106247552), (32, 63084484), (34, 59373632), (38, 53123776), (64, 31542242), (68, 29686816), (76, 26561888), (128, 15771121), (136, 14843408), (152, 13280944), (157, 12857984), (272, 7421704), (304, 6640472), (311, 6491008), (314, 6428992), (323, 6249856), (544, 3710852), (608, 3320236), (622, 3245504), (628, 3214496), (646, 3124928), (1088, 1855426), (1216, 1660118), (1244, 1622752), (1256, 1607248), (1292, 1562464), (2176, 927713), (2432, 830059), (2488, 811376), (2512, 803624), (2584, 781232), (2669, 756352), (2983, 676736), (4976, 405688), (5024, 401812), (5168, 390616), (5287, 381824), (5338, 378176), (5909, 341632), (5966, 338368), (9952, 202844), (10048, 200906), (10336, 195308), (10574, 190912), (10676, 189088), (11818, 170816), (11932, 169184), (19904, 101422), (20096, 100453), (20672, 97654), (21148, 95456), (21352, 94544), (23636, 85408), (23864, 84592), (39808, 50711), (41344, 48827), (42296, 47728), (42704, 47272)]