19456040

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{967}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 24452440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 967, 1006, 1934, 2012, 2515, 3868, 4024, 4835, 5030, 7736, 9670, 10060, 19340, 20120, 38680, 486401, 972802, 1945604, 2432005, 3891208, 4864010, 9728020, 19456040]

約数ペア:

[(1, 19456040), (2, 9728020), (4, 4864010), (5, 3891208), (8, 2432005), (10, 1945604), (20, 972802), (40, 486401), (503, 38680), (967, 20120), (1006, 19340), (1934, 10060), (2012, 9670), (2515, 7736), (3868, 5030), (4024, 4835)]