19319700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{64399}}^1$

素因数の和:64416

約数の個数: 36

約数和(自身を含む): 55899200

約数和(自身を除く): 36579500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 64399, 128798, 193197, 257596, 321995, 386394, 643990, 772788, 965985, 1287980, 1609975, 1931970, 3219950, 3863940, 4829925, 6439900, 9659850, 19319700]

約数ペア:

[(1, 19319700), (2, 9659850), (3, 6439900), (4, 4829925), (5, 3863940), (6, 3219950), (10, 1931970), (12, 1609975), (15, 1287980), (20, 965985), (25, 772788), (30, 643990), (50, 386394), (60, 321995), (75, 257596), (100, 193197), (150, 128798), (300, 64399)]