19801404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78577}}^1$

素因数の和:78594

約数の個数: 36

約数和(自身を含む): 57204784

約数和(自身を除く): 37403380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78577, 157154, 235731, 314308, 471462, 550039, 707193, 942924, 1100078, 1414386, 1650117, 2200156, 2828772, 3300234, 4950351, 6600468, 9900702, 19801404]

約数ペア:

[(1, 19801404), (2, 9900702), (3, 6600468), (4, 4950351), (6, 3300234), (7, 2828772), (9, 2200156), (12, 1650117), (14, 1414386), (18, 1100078), (21, 942924), (28, 707193), (36, 550039), (42, 471462), (63, 314308), (84, 235731), (126, 157154), (252, 78577)]