19625072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3185

約数の個数: 40

約数和(自身を含む): 42024096

約数和(自身を除く): 22399024

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3137, 6256, 6274, 12548, 25096, 50192, 53329, 72151, 106658, 144302, 213316, 288604, 426632, 577208, 853264, 1154416, 1226567, 2453134, 4906268, 9812536, 19625072]

約数ペア:

[(1, 19625072), (2, 9812536), (4, 4906268), (8, 2453134), (16, 1226567), (17, 1154416), (23, 853264), (34, 577208), (46, 426632), (68, 288604), (92, 213316), (136, 144302), (184, 106658), (272, 72151), (368, 53329), (391, 50192), (782, 25096), (1564, 12548), (3128, 6274), (3137, 6256)]