18991476

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{25121}}^1$

素因数の和:25141

約数の個数: 48

約数和(自身を含む): 56273280

約数和(自身を除く): 37281804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 25121, 50242, 75363, 100484, 150726, 175847, 226089, 301452, 351694, 452178, 527541, 678267, 703388, 904356, 1055082, 1356534, 1582623, 2110164, 2713068, 3165246, 4747869, 6330492, 9495738, 18991476]

約数ペア:

[(1, 18991476), (2, 9495738), (3, 6330492), (4, 4747869), (6, 3165246), (7, 2713068), (9, 2110164), (12, 1582623), (14, 1356534), (18, 1055082), (21, 904356), (27, 703388), (28, 678267), (36, 527541), (42, 452178), (54, 351694), (63, 301452), (84, 226089), (108, 175847), (126, 150726), (189, 100484), (252, 75363), (378, 50242), (756, 25121)]