18015496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 37944000

約数和(自身を除く): 19928504

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 61, 67, 76, 116, 122, 134, 152, 232, 244, 268, 488, 536, 551, 1102, 1159, 1273, 1769, 1943, 2204, 2318, 2546, 3538, 3886, 4087, 4408, 4636, 5092, 7076, 7772, 8174, 9272, 10184, 14152, 15544, 16348, 32696, 33611, 36917, 67222, 73834, 77653, 118523, 134444, 147668, 155306, 237046, 268888, 295336, 310612, 474092, 621224, 948184, 2251937, 4503874, 9007748, 18015496]

約数ペア:

[(1, 18015496), (2, 9007748), (4, 4503874), (8, 2251937), (19, 948184), (29, 621224), (38, 474092), (58, 310612), (61, 295336), (67, 268888), (76, 237046), (116, 155306), (122, 147668), (134, 134444), (152, 118523), (232, 77653), (244, 73834), (268, 67222), (488, 36917), (536, 33611), (551, 32696), (1102, 16348), (1159, 15544), (1273, 14152), (1769, 10184), (1943, 9272), (2204, 8174), (2318, 7772), (2546, 7076), (3538, 5092), (3886, 4636), (4087, 4408)]