19903744

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 47093760

約数和(自身を除く): 27190016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 383, 406, 448, 464, 766, 812, 896, 928, 1532, 1624, 1792, 1856, 2681, 3064, 3248, 3712, 5362, 6128, 6496, 7424, 10724, 11107, 12256, 12992, 21448, 22214, 24512, 25984, 42896, 44428, 49024, 51968, 77749, 85792, 88856, 98048, 155498, 171584, 177712, 310996, 343168, 355424, 621992, 686336, 710848, 1243984, 1421696, 2487968, 2843392, 4975936, 9951872, 19903744]

約数ペア:

[(1, 19903744), (2, 9951872), (4, 4975936), (7, 2843392), (8, 2487968), (14, 1421696), (16, 1243984), (28, 710848), (29, 686336), (32, 621992), (56, 355424), (58, 343168), (64, 310996), (112, 177712), (116, 171584), (128, 155498), (203, 98048), (224, 88856), (232, 85792), (256, 77749), (383, 51968), (406, 49024), (448, 44428), (464, 42896), (766, 25984), (812, 24512), (896, 22214), (928, 21448), (1532, 12992), (1624, 12256), (1792, 11107), (1856, 10724), (2681, 7424), (3064, 6496), (3248, 6128), (3712, 5362)]