19649500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3023}}^1$

素因数の和:3055

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 26581412

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3023, 3250, 6046, 6500, 12092, 15115, 30230, 39299, 60460, 75575, 78598, 151150, 157196, 196495, 302300, 377875, 392990, 755750, 785980, 982475, 1511500, 1964950, 3929900, 4912375, 9824750, 19649500]

約数ペア:

[(1, 19649500), (2, 9824750), (4, 4912375), (5, 3929900), (10, 1964950), (13, 1511500), (20, 982475), (25, 785980), (26, 755750), (50, 392990), (52, 377875), (65, 302300), (100, 196495), (125, 157196), (130, 151150), (250, 78598), (260, 75575), (325, 60460), (500, 39299), (650, 30230), (1300, 15115), (1625, 12092), (3023, 6500), (3250, 6046)]