19738880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2203}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 54059712

約数和(自身を除く): 34320832

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, 560, 640, 896, 1120, 1280, 1792, 2203, 2240, 4406, 4480, 8812, 8960, 11015, 15421, 17624, 22030, 30842, 35248, 44060, 61684, 70496, 77105, 88120, 123368, 140992, 154210, 176240, 246736, 281984, 308420, 352480, 493472, 563968, 616840, 704960, 986944, 1233680, 1409920, 1973888, 2467360, 2819840, 3947776, 4934720, 9869440, 19738880]

約数ペア:

[(1, 19738880), (2, 9869440), (4, 4934720), (5, 3947776), (7, 2819840), (8, 2467360), (10, 1973888), (14, 1409920), (16, 1233680), (20, 986944), (28, 704960), (32, 616840), (35, 563968), (40, 493472), (56, 352480), (64, 308420), (70, 281984), (80, 246736), (112, 176240), (128, 154210), (140, 140992), (160, 123368), (224, 88120), (256, 77105), (280, 70496), (320, 61684), (448, 44060), (560, 35248), (640, 30842), (896, 22030), (1120, 17624), (1280, 15421), (1792, 11015), (2203, 8960), (2240, 8812), (4406, 4480)]