18867632

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 44669760

約数和(自身を除く): 25802128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 37, 56, 58, 74, 112, 116, 148, 157, 203, 232, 259, 296, 314, 406, 464, 518, 592, 628, 812, 1036, 1073, 1099, 1256, 1624, 2072, 2146, 2198, 2512, 3248, 4144, 4292, 4396, 4553, 5809, 7511, 8584, 8792, 9106, 11618, 15022, 17168, 17584, 18212, 23236, 30044, 31871, 36424, 40663, 46472, 60088, 63742, 72848, 81326, 92944, 120176, 127484, 162652, 168461, 254968, 325304, 336922, 509936, 650608, 673844, 1179227, 1347688, 2358454, 2695376, 4716908, 9433816, 18867632]

約数ペア:

[(1, 18867632), (2, 9433816), (4, 4716908), (7, 2695376), (8, 2358454), (14, 1347688), (16, 1179227), (28, 673844), (29, 650608), (37, 509936), (56, 336922), (58, 325304), (74, 254968), (112, 168461), (116, 162652), (148, 127484), (157, 120176), (203, 92944), (232, 81326), (259, 72848), (296, 63742), (314, 60088), (406, 46472), (464, 40663), (518, 36424), (592, 31871), (628, 30044), (812, 23236), (1036, 18212), (1073, 17584), (1099, 17168), (1256, 15022), (1624, 11618), (2072, 9106), (2146, 8792), (2198, 8584), (2512, 7511), (3248, 5809), (4144, 4553), (4292, 4396)]