19383808

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 60

約数和(自身を含む): 41456052

約数和(自身を除く): 22072244

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 131, 136, 256, 262, 272, 289, 512, 524, 544, 578, 1048, 1088, 1156, 2096, 2176, 2227, 2312, 4192, 4352, 4454, 4624, 8384, 8704, 8908, 9248, 16768, 17816, 18496, 33536, 35632, 36992, 37859, 67072, 71264, 73984, 75718, 142528, 147968, 151436, 285056, 302872, 570112, 605744, 1140224, 1211488, 2422976, 4845952, 9691904, 19383808]

約数ペア:

[(1, 19383808), (2, 9691904), (4, 4845952), (8, 2422976), (16, 1211488), (17, 1140224), (32, 605744), (34, 570112), (64, 302872), (68, 285056), (128, 151436), (131, 147968), (136, 142528), (256, 75718), (262, 73984), (272, 71264), (289, 67072), (512, 37859), (524, 36992), (544, 35632), (578, 33536), (1048, 18496), (1088, 17816), (1156, 16768), (2096, 9248), (2176, 8908), (2227, 8704), (2312, 8384), (4192, 4624), (4352, 4454)]