19025900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3119}}^1$

素因数の和:3194

約数の個数: 36

約数和(自身を含む): 41976480

約数和(自身を除く): 22950580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3119, 6100, 6238, 12476, 15595, 31190, 62380, 77975, 155950, 190259, 311900, 380518, 761036, 951295, 1902590, 3805180, 4756475, 9512950, 19025900]

約数ペア:

[(1, 19025900), (2, 9512950), (4, 4756475), (5, 3805180), (10, 1902590), (20, 951295), (25, 761036), (50, 380518), (61, 311900), (100, 190259), (122, 155950), (244, 77975), (305, 62380), (610, 31190), (1220, 15595), (1525, 12476), (3050, 6238), (3119, 6100)]