19781900536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6324137}}^1$

素因数の和:6324183

約数の個数: 32

約数和(自身を含む): 40980414240

約数和(自身を除く): 21198513704

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6324137, 12648274, 25296548, 50593096, 107510329, 145455151, 215020658, 290910302, 430041316, 581820604, 860082632, 1163641208, 2472737567, 4945475134, 9890950268, 19781900536]

約数ペア:

[(1, 19781900536), (2, 9890950268), (4, 4945475134), (8, 2472737567), (17, 1163641208), (23, 860082632), (34, 581820604), (46, 430041316), (68, 290910302), (92, 215020658), (136, 145455151), (184, 107510329), (391, 50593096), (782, 25296548), (1564, 12648274), (3128, 6324137)]