19771380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109841}}^1$

素因数の和:109856

約数の個数: 36

約数和(自身を含む): 59973732

約数和(自身を除く): 40202352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109841, 219682, 329523, 439364, 549205, 659046, 988569, 1098410, 1318092, 1647615, 1977138, 2196820, 3295230, 3954276, 4942845, 6590460, 9885690, 19771380]

約数ペア:

[(1, 19771380), (2, 9885690), (3, 6590460), (4, 4942845), (5, 3954276), (6, 3295230), (9, 2196820), (10, 1977138), (12, 1647615), (15, 1318092), (18, 1098410), (20, 988569), (30, 659046), (36, 549205), (45, 439364), (60, 329523), (90, 219682), (180, 109841)]