19286940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321449}}^1$

素因数の和:321461

約数の個数: 24

約数和(自身を含む): 54003600

約数和(自身を除く): 34716660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321449, 642898, 964347, 1285796, 1607245, 1928694, 3214490, 3857388, 4821735, 6428980, 9643470, 19286940]

約数ペア:

[(1, 19286940), (2, 9643470), (3, 6428980), (4, 4821735), (5, 3857388), (6, 3214490), (10, 1928694), (12, 1607245), (15, 1285796), (20, 964347), (30, 642898), (60, 321449)]