19219120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3041}}^1$

素因数の和:3133

約数の個数: 40

約数和(自身を含む): 45264960

約数和(自身を除く): 26045840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3041, 3160, 6082, 6320, 12164, 15205, 24328, 30410, 48656, 60820, 121640, 240239, 243280, 480478, 960956, 1201195, 1921912, 2402390, 3843824, 4804780, 9609560, 19219120]

約数ペア:

[(1, 19219120), (2, 9609560), (4, 4804780), (5, 3843824), (8, 2402390), (10, 1921912), (16, 1201195), (20, 960956), (40, 480478), (79, 243280), (80, 240239), (158, 121640), (316, 60820), (395, 48656), (632, 30410), (790, 24328), (1264, 15205), (1580, 12164), (3041, 6320), (3160, 6082)]