19744911

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10898289

約数列:

[1, 3, 9, 27, 29, 87, 151, 167, 261, 453, 501, 783, 1359, 1503, 4077, 4379, 4509, 4843, 13137, 14529, 25217, 39411, 43587, 75651, 118233, 130761, 226953, 680859, 731293, 2193879, 6581637, 19744911]

約数ペア:

[(1, 19744911), (3, 6581637), (9, 2193879), (27, 731293), (29, 680859), (87, 226953), (151, 130761), (167, 118233), (261, 75651), (453, 43587), (501, 39411), (783, 25217), (1359, 14529), (1503, 13137), (4077, 4843), (4379, 4509)]