19498880

素因数分解:

$2^7\times 5^1\times {\mathrm{30467}}^1$

素因数の和:30486

約数の個数: 32

約数和(自身を含む): 46616040

約数和(自身を除く): 27117160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30467, 60934, 121868, 152335, 243736, 304670, 487472, 609340, 974944, 1218680, 1949888, 2437360, 3899776, 4874720, 9749440, 19498880]

約数ペア:

[(1, 19498880), (2, 9749440), (4, 4874720), (5, 3899776), (8, 2437360), (10, 1949888), (16, 1218680), (20, 974944), (32, 609340), (40, 487472), (64, 304670), (80, 243736), (128, 152335), (160, 121868), (320, 60934), (640, 30467)]