19665060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{673}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 55257216

約数和(自身を除く): 35592156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 673, 974, 1346, 1461, 1948, 2019, 2435, 2692, 2922, 3365, 4038, 4870, 5844, 6730, 7305, 8076, 9740, 10095, 13460, 14610, 20190, 29220, 40380, 327751, 655502, 983253, 1311004, 1638755, 1966506, 3277510, 3933012, 4916265, 6555020, 9832530, 19665060]

約数ペア:

[(1, 19665060), (2, 9832530), (3, 6555020), (4, 4916265), (5, 3933012), (6, 3277510), (10, 1966506), (12, 1638755), (15, 1311004), (20, 983253), (30, 655502), (60, 327751), (487, 40380), (673, 29220), (974, 20190), (1346, 14610), (1461, 13460), (1948, 10095), (2019, 9740), (2435, 8076), (2692, 7305), (2922, 6730), (3365, 5844), (4038, 4870)]