19857690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73547}}^1$

素因数の和:73563

約数の個数: 32

約数和(自身を含む): 52954560

約数和(自身を除く): 33096870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 73547, 147094, 220641, 367735, 441282, 661923, 735470, 1103205, 1323846, 1985769, 2206410, 3309615, 3971538, 6619230, 9928845, 19857690]

約数ペア:

[(1, 19857690), (2, 9928845), (3, 6619230), (5, 3971538), (6, 3309615), (9, 2206410), (10, 1985769), (15, 1323846), (18, 1103205), (27, 735470), (30, 661923), (45, 441282), (54, 367735), (90, 220641), (135, 147094), (270, 73547)]