19530880

素因数分解:

$2^7\times 5^1\times {\mathrm{30517}}^1$

素因数の和:30536

約数の個数: 32

約数和(自身を含む): 46692540

約数和(自身を除く): 27161660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30517, 61034, 122068, 152585, 244136, 305170, 488272, 610340, 976544, 1220680, 1953088, 2441360, 3906176, 4882720, 9765440, 19530880]

約数ペア:

[(1, 19530880), (2, 9765440), (4, 4882720), (5, 3906176), (8, 2441360), (10, 1953088), (16, 1220680), (20, 976544), (32, 610340), (40, 488272), (64, 305170), (80, 244136), (128, 152585), (160, 122068), (320, 61034), (640, 30517)]