19609856

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 46308864

約数和(自身を除く): 26699008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 353, 434, 448, 496, 706, 868, 896, 992, 1412, 1736, 1792, 1984, 2471, 2824, 3472, 3968, 4942, 5648, 6944, 7936, 9884, 10943, 11296, 13888, 19768, 21886, 22592, 27776, 39536, 43772, 45184, 55552, 76601, 79072, 87544, 90368, 153202, 158144, 175088, 306404, 316288, 350176, 612808, 632576, 700352, 1225616, 1400704, 2451232, 2801408, 4902464, 9804928, 19609856]

約数ペア:

[(1, 19609856), (2, 9804928), (4, 4902464), (7, 2801408), (8, 2451232), (14, 1400704), (16, 1225616), (28, 700352), (31, 632576), (32, 612808), (56, 350176), (62, 316288), (64, 306404), (112, 175088), (124, 158144), (128, 153202), (217, 90368), (224, 87544), (248, 79072), (256, 76601), (353, 55552), (434, 45184), (448, 43772), (496, 39536), (706, 27776), (868, 22592), (896, 21886), (992, 19768), (1412, 13888), (1736, 11296), (1792, 10943), (1984, 9884), (2471, 7936), (2824, 6944), (3472, 5648), (3968, 4942)]