18296480

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 43541064

約数和(自身を除く): 25244584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 661, 692, 865, 1322, 1384, 1730, 2644, 2768, 3305, 3460, 5288, 5536, 6610, 6920, 10576, 13220, 13840, 21152, 26440, 27680, 52880, 105760, 114353, 228706, 457412, 571765, 914824, 1143530, 1829648, 2287060, 3659296, 4574120, 9148240, 18296480]

約数ペア:

[(1, 18296480), (2, 9148240), (4, 4574120), (5, 3659296), (8, 2287060), (10, 1829648), (16, 1143530), (20, 914824), (32, 571765), (40, 457412), (80, 228706), (160, 114353), (173, 105760), (346, 52880), (661, 27680), (692, 26440), (865, 21152), (1322, 13840), (1384, 13220), (1730, 10576), (2644, 6920), (2768, 6610), (3305, 5536), (3460, 5288)]