19695590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4507}}^1$

素因数の和:4556

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 19253530

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4507, 9014, 22535, 45070, 85633, 103661, 171266, 207322, 428165, 518305, 856330, 1036610, 1969559, 3939118, 9847795, 19695590]

約数ペア:

[(1, 19695590), (2, 9847795), (5, 3939118), (10, 1969559), (19, 1036610), (23, 856330), (38, 518305), (46, 428165), (95, 207322), (115, 171266), (190, 103661), (230, 85633), (437, 45070), (874, 22535), (2185, 9014), (4370, 4507)]