19753565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 26040168

約数和(自身を除く): 6286603

約数列:

[1, 5, 13, 65, 97, 169, 241, 485, 845, 1205, 1261, 3133, 6305, 15665, 16393, 23377, 40729, 81965, 116885, 203645, 303901, 1519505, 3950713, 19753565]

約数ペア:

[(1, 19753565), (5, 3950713), (13, 1519505), (65, 303901), (97, 203645), (169, 116885), (241, 81965), (485, 40729), (845, 23377), (1205, 16393), (1261, 15665), (3133, 6305)]