18922100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 45205440

約数和(自身を除く): 26283340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 433, 437, 460, 475, 575, 866, 874, 950, 1150, 1732, 1748, 1900, 2165, 2185, 2300, 4330, 4370, 8227, 8660, 8740, 9959, 10825, 10925, 16454, 19918, 21650, 21850, 32908, 39836, 41135, 43300, 43700, 49795, 82270, 99590, 164540, 189221, 199180, 205675, 248975, 378442, 411350, 497950, 756884, 822700, 946105, 995900, 1892210, 3784420, 4730525, 9461050, 18922100]

約数ペア:

[(1, 18922100), (2, 9461050), (4, 4730525), (5, 3784420), (10, 1892210), (19, 995900), (20, 946105), (23, 822700), (25, 756884), (38, 497950), (46, 411350), (50, 378442), (76, 248975), (92, 205675), (95, 199180), (100, 189221), (115, 164540), (190, 99590), (230, 82270), (380, 49795), (433, 43700), (437, 43300), (460, 41135), (475, 39836), (575, 32908), (866, 21850), (874, 21650), (950, 19918), (1150, 16454), (1732, 10925), (1748, 10825), (1900, 9959), (2165, 8740), (2185, 8660), (2300, 8227), (4330, 4370)]