18758616

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 33081384

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 92, 102, 136, 138, 184, 204, 276, 391, 408, 552, 782, 1173, 1564, 1999, 2346, 3128, 3998, 4692, 5997, 7996, 9384, 11994, 15992, 23988, 33983, 45977, 47976, 67966, 91954, 101949, 135932, 137931, 183908, 203898, 271864, 275862, 367816, 407796, 551724, 781609, 815592, 1103448, 1563218, 2344827, 3126436, 4689654, 6252872, 9379308, 18758616]

約数ペア:

[(1, 18758616), (2, 9379308), (3, 6252872), (4, 4689654), (6, 3126436), (8, 2344827), (12, 1563218), (17, 1103448), (23, 815592), (24, 781609), (34, 551724), (46, 407796), (51, 367816), (68, 275862), (69, 271864), (92, 203898), (102, 183908), (136, 137931), (138, 135932), (184, 101949), (204, 91954), (276, 67966), (391, 47976), (408, 45977), (552, 33983), (782, 23988), (1173, 15992), (1564, 11994), (1999, 9384), (2346, 7996), (3128, 5997), (3998, 4692)]