19318980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321983}}^1$

素因数の和:321995

約数の個数: 24

約数和(自身を含む): 54093312

約数和(自身を除く): 34774332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321983, 643966, 965949, 1287932, 1609915, 1931898, 3219830, 3863796, 4829745, 6439660, 9659490, 19318980]

約数ペア:

[(1, 19318980), (2, 9659490), (3, 6439660), (4, 4829745), (5, 3863796), (6, 3219830), (10, 1931898), (12, 1609915), (15, 1287932), (20, 965949), (30, 643966), (60, 321983)]