18163072

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 38516220

約数和(自身を除く): 20353148

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 491, 544, 578, 982, 1088, 1156, 1964, 2176, 2312, 3928, 4624, 7856, 8347, 9248, 15712, 16694, 18496, 31424, 33388, 36992, 62848, 66776, 133552, 141899, 267104, 283798, 534208, 567596, 1068416, 1135192, 2270384, 4540768, 9081536, 18163072]

約数ペア:

[(1, 18163072), (2, 9081536), (4, 4540768), (8, 2270384), (16, 1135192), (17, 1068416), (32, 567596), (34, 534208), (64, 283798), (68, 267104), (128, 141899), (136, 133552), (272, 66776), (289, 62848), (491, 36992), (544, 33388), (578, 31424), (982, 18496), (1088, 16694), (1156, 15712), (1964, 9248), (2176, 8347), (2312, 7856), (3928, 4624)]