19691168

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5171}}^1$

素因数の和:5205

約数の個数: 48

約数和(自身を含む): 46920384

約数和(自身を除く): 27229216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5171, 10342, 20684, 36197, 41368, 72394, 82736, 87907, 144788, 165472, 175814, 289576, 351628, 579152, 615349, 703256, 1158304, 1230698, 1406512, 2461396, 2813024, 4922792, 9845584, 19691168]

約数ペア:

[(1, 19691168), (2, 9845584), (4, 4922792), (7, 2813024), (8, 2461396), (14, 1406512), (16, 1230698), (17, 1158304), (28, 703256), (32, 615349), (34, 579152), (56, 351628), (68, 289576), (112, 175814), (119, 165472), (136, 144788), (224, 87907), (238, 82736), (272, 72394), (476, 41368), (544, 36197), (952, 20684), (1904, 10342), (3808, 5171)]