19943312

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 60

約数和(自身を含む): 43397520

約数和(自身を除く): 23454208

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 227, 272, 289, 304, 323, 454, 578, 646, 908, 1156, 1292, 1816, 2312, 2584, 3632, 3859, 4313, 4624, 5168, 5491, 7718, 8626, 10982, 15436, 17252, 21964, 30872, 34504, 43928, 61744, 65603, 69008, 73321, 87856, 131206, 146642, 262412, 293284, 524824, 586568, 1049648, 1173136, 1246457, 2492914, 4985828, 9971656, 19943312]

約数ペア:

[(1, 19943312), (2, 9971656), (4, 4985828), (8, 2492914), (16, 1246457), (17, 1173136), (19, 1049648), (34, 586568), (38, 524824), (68, 293284), (76, 262412), (136, 146642), (152, 131206), (227, 87856), (272, 73321), (289, 69008), (304, 65603), (323, 61744), (454, 43928), (578, 34504), (646, 30872), (908, 21964), (1156, 17252), (1292, 15436), (1816, 10982), (2312, 8626), (2584, 7718), (3632, 5491), (3859, 5168), (4313, 4624)]