18643980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{310733}}^1$

素因数の和:310745

約数の個数: 24

約数和(自身を含む): 52203312

約数和(自身を除く): 33559332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 310733, 621466, 932199, 1242932, 1553665, 1864398, 3107330, 3728796, 4660995, 6214660, 9321990, 18643980]

約数ペア:

[(1, 18643980), (2, 9321990), (3, 6214660), (4, 4660995), (5, 3728796), (6, 3107330), (10, 1864398), (12, 1553665), (15, 1242932), (20, 932199), (30, 621466), (60, 310733)]