19892992

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 48123936

約数和(自身を除く): 28230944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 653, 896, 952, 1088, 1306, 1792, 1904, 2176, 2612, 3808, 4352, 4571, 5224, 7616, 9142, 10448, 11101, 15232, 18284, 20896, 22202, 30464, 36568, 41792, 44404, 73136, 77707, 83584, 88808, 146272, 155414, 167168, 177616, 292544, 310828, 355232, 585088, 621656, 710464, 1170176, 1243312, 1420928, 2486624, 2841856, 4973248, 9946496, 19892992]

約数ペア:

[(1, 19892992), (2, 9946496), (4, 4973248), (7, 2841856), (8, 2486624), (14, 1420928), (16, 1243312), (17, 1170176), (28, 710464), (32, 621656), (34, 585088), (56, 355232), (64, 310828), (68, 292544), (112, 177616), (119, 167168), (128, 155414), (136, 146272), (224, 88808), (238, 83584), (256, 77707), (272, 73136), (448, 44404), (476, 41792), (544, 36568), (653, 30464), (896, 22202), (952, 20896), (1088, 18284), (1306, 15232), (1792, 11101), (1904, 10448), (2176, 9142), (2612, 7616), (3808, 5224), (4352, 4571)]