19072720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8221}}^1$

素因数の和:8263

約数の個数: 40

約数和(自身を含む): 45878760

約数和(自身を除く): 26806040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8221, 16442, 32884, 41105, 65768, 82210, 131536, 164420, 238409, 328840, 476818, 657680, 953636, 1192045, 1907272, 2384090, 3814544, 4768180, 9536360, 19072720]

約数ペア:

[(1, 19072720), (2, 9536360), (4, 4768180), (5, 3814544), (8, 2384090), (10, 1907272), (16, 1192045), (20, 953636), (29, 657680), (40, 476818), (58, 328840), (80, 238409), (116, 164420), (145, 131536), (232, 82210), (290, 65768), (464, 41105), (580, 32884), (1160, 16442), (2320, 8221)]