18684690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3821}}^1$

素因数の和:3994

約数の個数: 32

約数和(自身を含む): 45130176

約数和(自身を除く): 26445486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 3821, 4890, 7642, 11463, 19105, 22926, 38210, 57315, 114630, 622823, 1245646, 1868469, 3114115, 3736938, 6228230, 9342345, 18684690]

約数ペア:

[(1, 18684690), (2, 9342345), (3, 6228230), (5, 3736938), (6, 3114115), (10, 1868469), (15, 1245646), (30, 622823), (163, 114630), (326, 57315), (489, 38210), (815, 22926), (978, 19105), (1630, 11463), (2445, 7642), (3821, 4890)]