19648120

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3253}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 44514720

約数和(自身を除く): 24866600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3253, 6040, 6506, 13012, 16265, 26024, 32530, 65060, 130120, 491203, 982406, 1964812, 2456015, 3929624, 4912030, 9824060, 19648120]

約数ペア:

[(1, 19648120), (2, 9824060), (4, 4912030), (5, 3929624), (8, 2456015), (10, 1964812), (20, 982406), (40, 491203), (151, 130120), (302, 65060), (604, 32530), (755, 26024), (1208, 16265), (1510, 13012), (3020, 6506), (3253, 6040)]