19191720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{159931}}^1$

素因数の和:159945

約数の個数: 32

約数和(自身を含む): 57575520

約数和(自身を除く): 38383800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 159931, 319862, 479793, 639724, 799655, 959586, 1279448, 1599310, 1919172, 2398965, 3198620, 3838344, 4797930, 6397240, 9595860, 19191720]

約数ペア:

[(1, 19191720), (2, 9595860), (3, 6397240), (4, 4797930), (5, 3838344), (6, 3198620), (8, 2398965), (10, 1919172), (12, 1599310), (15, 1279448), (20, 959586), (24, 799655), (30, 639724), (40, 479793), (60, 319862), (120, 159931)]