18298840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65353}}^1$

素因数の和:65371

約数の個数: 32

約数和(自身を含む): 47054880

約数和(自身を除く): 28756040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65353, 130706, 261412, 326765, 457471, 522824, 653530, 914942, 1307060, 1829884, 2287355, 2614120, 3659768, 4574710, 9149420, 18298840]

約数ペア:

[(1, 18298840), (2, 9149420), (4, 4574710), (5, 3659768), (7, 2614120), (8, 2287355), (10, 1829884), (14, 1307060), (20, 914942), (28, 653530), (35, 522824), (40, 457471), (56, 326765), (70, 261412), (140, 130706), (280, 65353)]