19396864

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4457}}^1$

素因数の和:4490

約数の個数: 36

約数和(自身を含む): 41004684

約数和(自身を除く): 21607820

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4457, 8914, 17828, 35656, 71312, 75769, 142624, 151538, 285248, 303076, 570496, 606152, 1140992, 1212304, 2424608, 4849216, 9698432, 19396864]

約数ペア:

[(1, 19396864), (2, 9698432), (4, 4849216), (8, 2424608), (16, 1212304), (17, 1140992), (32, 606152), (34, 570496), (64, 303076), (68, 285248), (128, 151538), (136, 142624), (256, 75769), (272, 71312), (544, 35656), (1088, 17828), (2176, 8914), (4352, 4457)]