19364480

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 27637120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 383, 395, 632, 640, 766, 790, 1264, 1532, 1580, 1915, 2528, 3064, 3160, 3830, 5056, 6128, 6320, 7660, 10112, 12256, 12640, 15320, 24512, 25280, 30257, 30640, 49024, 50560, 60514, 61280, 121028, 122560, 151285, 242056, 245120, 302570, 484112, 605140, 968224, 1210280, 1936448, 2420560, 3872896, 4841120, 9682240, 19364480]

約数ペア:

[(1, 19364480), (2, 9682240), (4, 4841120), (5, 3872896), (8, 2420560), (10, 1936448), (16, 1210280), (20, 968224), (32, 605140), (40, 484112), (64, 302570), (79, 245120), (80, 242056), (128, 151285), (158, 122560), (160, 121028), (316, 61280), (320, 60514), (383, 50560), (395, 49024), (632, 30640), (640, 30257), (766, 25280), (790, 24512), (1264, 15320), (1532, 12640), (1580, 12256), (1915, 10112), (2528, 7660), (3064, 6320), (3160, 6128), (3830, 5056)]