18873128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 38001960

約数和(自身を除く): 19128832

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 1901, 2482, 3802, 4964, 7604, 9928, 15208, 32317, 64634, 129268, 138773, 258536, 277546, 555092, 1110184, 2359141, 4718282, 9436564, 18873128]

約数ペア:

[(1, 18873128), (2, 9436564), (4, 4718282), (8, 2359141), (17, 1110184), (34, 555092), (68, 277546), (73, 258536), (136, 138773), (146, 129268), (292, 64634), (584, 32317), (1241, 15208), (1901, 9928), (2482, 7604), (3802, 4964)]