19853040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82721}}^1$

素因数の和:82737

約数の個数: 40

約数和(自身を含む): 61545168

約数和(自身を除く): 41692128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82721, 165442, 248163, 330884, 413605, 496326, 661768, 827210, 992652, 1240815, 1323536, 1654420, 1985304, 2481630, 3308840, 3970608, 4963260, 6617680, 9926520, 19853040]

約数ペア:

[(1, 19853040), (2, 9926520), (3, 6617680), (4, 4963260), (5, 3970608), (6, 3308840), (8, 2481630), (10, 1985304), (12, 1654420), (15, 1323536), (16, 1240815), (20, 992652), (24, 827210), (30, 661768), (40, 496326), (48, 413605), (60, 330884), (80, 248163), (120, 165442), (240, 82721)]