18219867367

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1\times {\mathrm{613}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 20478560256

約数和(自身を除く): 2258692889

約数列:

[1, 13, 31, 131, 403, 563, 613, 1703, 4061, 7319, 7969, 17453, 19003, 52793, 73753, 80303, 226889, 247039, 345119, 958789, 1043939, 2286343, 2489393, 4486547, 10698689, 29722459, 32362109, 45210589, 139082957, 587737657, 1401528259, 18219867367]

約数ペア:

[(1, 18219867367), (13, 1401528259), (31, 587737657), (131, 139082957), (403, 45210589), (563, 32362109), (613, 29722459), (1703, 10698689), (4061, 4486547), (7319, 2489393), (7969, 2286343), (17453, 1043939), (19003, 958789), (52793, 345119), (73753, 247039), (80303, 226889)]