19925055

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3989}}^1$

素因数の和:4040

約数の個数: 32

約数和(自身を含む): 36388800

約数和(自身を除く): 16463745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 3989, 4995, 11967, 19945, 35901, 59835, 107703, 147593, 179505, 442779, 538515, 737965, 1328337, 2213895, 3985011, 6641685, 19925055]

約数ペア:

[(1, 19925055), (3, 6641685), (5, 3985011), (9, 2213895), (15, 1328337), (27, 737965), (37, 538515), (45, 442779), (111, 179505), (135, 147593), (185, 107703), (333, 59835), (555, 35901), (999, 19945), (1665, 11967), (3989, 4995)]