18539486

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 34229952

約数和(自身を除く): 15690466

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1277, 2074, 2554, 7259, 8939, 14518, 17878, 21709, 43418, 77897, 151963, 155794, 303926, 545279, 1090558, 1324249, 2648498, 9269743, 18539486]

約数ペア:

[(1, 18539486), (2, 9269743), (7, 2648498), (14, 1324249), (17, 1090558), (34, 545279), (61, 303926), (119, 155794), (122, 151963), (238, 77897), (427, 43418), (854, 21709), (1037, 17878), (1277, 14518), (2074, 8939), (2554, 7259)]