18051904

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1669}}^1$

素因数の和:1707

約数の個数: 42

約数和(自身を含む): 38812470

約数和(自身を除く): 20760566

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1669, 2704, 3338, 5408, 6676, 10816, 13352, 21697, 26704, 43394, 53408, 86788, 106816, 173576, 282061, 347152, 564122, 694304, 1128244, 1388608, 2256488, 4512976, 9025952, 18051904]

約数ペア:

[(1, 18051904), (2, 9025952), (4, 4512976), (8, 2256488), (13, 1388608), (16, 1128244), (26, 694304), (32, 564122), (52, 347152), (64, 282061), (104, 173576), (169, 106816), (208, 86788), (338, 53408), (416, 43394), (676, 26704), (832, 21697), (1352, 13352), (1669, 10816), (2704, 6676), (3338, 5408)]