19558720

素因数分解:

$2^6\times 5^1\times {\mathrm{61121}}^1$

素因数の和:61138

約数の個数: 28

約数和(自身を含む): 46574964

約数和(自身を除く): 27016244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61121, 122242, 244484, 305605, 488968, 611210, 977936, 1222420, 1955872, 2444840, 3911744, 4889680, 9779360, 19558720]

約数ペア:

[(1, 19558720), (2, 9779360), (4, 4889680), (5, 3911744), (8, 2444840), (10, 1955872), (16, 1222420), (20, 977936), (32, 611210), (40, 488968), (64, 305605), (80, 244484), (160, 122242), (320, 61121)]