18807327

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3877}}^1$

素因数の和:3908

約数の個数: 36

約数和(自身を含む): 34483176

約数和(自身を除く): 15675849

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 3877, 4851, 11631, 27139, 34893, 42647, 81417, 127941, 189973, 244251, 298529, 383823, 569919, 895587, 1709757, 2089703, 2686761, 6269109, 18807327]

約数ペア:

[(1, 18807327), (3, 6269109), (7, 2686761), (9, 2089703), (11, 1709757), (21, 895587), (33, 569919), (49, 383823), (63, 298529), (77, 244251), (99, 189973), (147, 127941), (231, 81417), (441, 42647), (539, 34893), (693, 27139), (1617, 11631), (3877, 4851)]