19658240

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1097}}^1$

素因数の和:1127

約数の個数: 80

約数和(自身を含む): 53916192

約数和(自身を除く): 34257952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1097, 1120, 1280, 1792, 2194, 2240, 2560, 3584, 4388, 4480, 5485, 7679, 8776, 8960, 10970, 15358, 17552, 17920, 21940, 30716, 35104, 38395, 43880, 61432, 70208, 76790, 87760, 122864, 140416, 153580, 175520, 245728, 280832, 307160, 351040, 491456, 561664, 614320, 702080, 982912, 1228640, 1404160, 1965824, 2457280, 2808320, 3931648, 4914560, 9829120, 19658240]

約数ペア:

[(1, 19658240), (2, 9829120), (4, 4914560), (5, 3931648), (7, 2808320), (8, 2457280), (10, 1965824), (14, 1404160), (16, 1228640), (20, 982912), (28, 702080), (32, 614320), (35, 561664), (40, 491456), (56, 351040), (64, 307160), (70, 280832), (80, 245728), (112, 175520), (128, 153580), (140, 140416), (160, 122864), (224, 87760), (256, 76790), (280, 70208), (320, 61432), (448, 43880), (512, 38395), (560, 35104), (640, 30716), (896, 21940), (1097, 17920), (1120, 17552), (1280, 15358), (1792, 10970), (2194, 8960), (2240, 8776), (2560, 7679), (3584, 5485), (4388, 4480)]