19984644

素因数分解:

$2^2\times 3^4\times {\mathrm{61681}}^1$

素因数の和:61697

約数の個数: 30

約数和(自身を含む): 52244654

約数和(自身を除く): 32260010

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61681, 123362, 185043, 246724, 370086, 555129, 740172, 1110258, 1665387, 2220516, 3330774, 4996161, 6661548, 9992322, 19984644]

約数ペア:

[(1, 19984644), (2, 9992322), (3, 6661548), (4, 4996161), (6, 3330774), (9, 2220516), (12, 1665387), (18, 1110258), (27, 740172), (36, 555129), (54, 370086), (81, 246724), (108, 185043), (162, 123362), (324, 61681)]