19527975

素因数分解:

$3^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 35222200

約数和(自身を除く): 15694225

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 229, 379, 687, 1137, 1145, 1895, 2061, 3411, 3435, 5685, 5725, 9475, 10305, 17055, 17175, 28425, 51525, 85275, 86791, 260373, 433955, 781119, 1301865, 2169775, 3905595, 6509325, 19527975]

約数ペア:

[(1, 19527975), (3, 6509325), (5, 3905595), (9, 2169775), (15, 1301865), (25, 781119), (45, 433955), (75, 260373), (225, 86791), (229, 85275), (379, 51525), (687, 28425), (1137, 17175), (1145, 17055), (1895, 10305), (2061, 9475), (3411, 5725), (3435, 5685)]