19318528

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 42825888

約数和(自身を除く): 23507360

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 184, 193, 256, 272, 368, 386, 391, 544, 736, 772, 782, 1088, 1472, 1544, 1564, 2176, 2944, 3088, 3128, 3281, 4352, 4439, 5888, 6176, 6256, 6562, 8878, 12352, 12512, 13124, 17756, 24704, 25024, 26248, 35512, 49408, 50048, 52496, 71024, 75463, 100096, 104992, 142048, 150926, 209984, 284096, 301852, 419968, 568192, 603704, 839936, 1136384, 1207408, 2414816, 4829632, 9659264, 19318528]

約数ペア:

[(1, 19318528), (2, 9659264), (4, 4829632), (8, 2414816), (16, 1207408), (17, 1136384), (23, 839936), (32, 603704), (34, 568192), (46, 419968), (64, 301852), (68, 284096), (92, 209984), (128, 150926), (136, 142048), (184, 104992), (193, 100096), (256, 75463), (272, 71024), (368, 52496), (386, 50048), (391, 49408), (544, 35512), (736, 26248), (772, 25024), (782, 24704), (1088, 17756), (1472, 13124), (1544, 12512), (1564, 12352), (2176, 8878), (2944, 6562), (3088, 6256), (3128, 6176), (3281, 5888), (4352, 4439)]