18121968

素因数分解:

$2^4\times 3^5\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 54163200

約数和(自身を除く): 36041232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 59, 72, 79, 81, 108, 118, 144, 158, 162, 177, 216, 236, 237, 243, 316, 324, 354, 432, 472, 474, 486, 531, 632, 648, 708, 711, 944, 948, 972, 1062, 1264, 1296, 1416, 1422, 1593, 1896, 1944, 2124, 2133, 2832, 2844, 3186, 3792, 3888, 4248, 4266, 4661, 4779, 5688, 6372, 6399, 8496, 8532, 9322, 9558, 11376, 12744, 12798, 13983, 14337, 17064, 18644, 19116, 19197, 25488, 25596, 27966, 28674, 34128, 37288, 38232, 38394, 41949, 51192, 55932, 57348, 74576, 76464, 76788, 83898, 102384, 111864, 114696, 125847, 153576, 167796, 223728, 229392, 251694, 307152, 335592, 377541, 503388, 671184, 755082, 1006776, 1132623, 1510164, 2013552, 2265246, 3020328, 4530492, 6040656, 9060984, 18121968]

約数ペア:

[(1, 18121968), (2, 9060984), (3, 6040656), (4, 4530492), (6, 3020328), (8, 2265246), (9, 2013552), (12, 1510164), (16, 1132623), (18, 1006776), (24, 755082), (27, 671184), (36, 503388), (48, 377541), (54, 335592), (59, 307152), (72, 251694), (79, 229392), (81, 223728), (108, 167796), (118, 153576), (144, 125847), (158, 114696), (162, 111864), (177, 102384), (216, 83898), (236, 76788), (237, 76464), (243, 74576), (316, 57348), (324, 55932), (354, 51192), (432, 41949), (472, 38394), (474, 38232), (486, 37288), (531, 34128), (632, 28674), (648, 27966), (708, 25596), (711, 25488), (944, 19197), (948, 19116), (972, 18644), (1062, 17064), (1264, 14337), (1296, 13983), (1416, 12798), (1422, 12744), (1593, 11376), (1896, 9558), (1944, 9322), (2124, 8532), (2133, 8496), (2832, 6399), (2844, 6372), (3186, 5688), (3792, 4779), (3888, 4661), (4248, 4266)]