19952748

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5381}}^1$

素因数の和:5494

約数の個数: 36

約数和(自身を含む): 50935248

約数和(自身を除く): 30982500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5381, 10762, 16143, 21524, 32286, 48429, 64572, 96858, 193716, 554243, 1108486, 1662729, 2216972, 3325458, 4988187, 6650916, 9976374, 19952748]

約数ペア:

[(1, 19952748), (2, 9976374), (3, 6650916), (4, 4988187), (6, 3325458), (9, 2216972), (12, 1662729), (18, 1108486), (36, 554243), (103, 193716), (206, 96858), (309, 64572), (412, 48429), (618, 32286), (927, 21524), (1236, 16143), (1854, 10762), (3708, 5381)]