19056640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1861}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 45749340

約数和(自身を除く): 26692700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1861, 2048, 2560, 3722, 5120, 7444, 9305, 10240, 14888, 18610, 29776, 37220, 59552, 74440, 119104, 148880, 238208, 297760, 476416, 595520, 952832, 1191040, 1905664, 2382080, 3811328, 4764160, 9528320, 19056640]

約数ペア:

[(1, 19056640), (2, 9528320), (4, 4764160), (5, 3811328), (8, 2382080), (10, 1905664), (16, 1191040), (20, 952832), (32, 595520), (40, 476416), (64, 297760), (80, 238208), (128, 148880), (160, 119104), (256, 74440), (320, 59552), (512, 37220), (640, 29776), (1024, 18610), (1280, 14888), (1861, 10240), (2048, 9305), (2560, 7444), (3722, 5120)]