19891494

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1976

約数の個数: 56

約数和(自身を含む): 51152400

約数和(自身を除く): 31260906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 1949, 3402, 3898, 5103, 5847, 10206, 11694, 13643, 17541, 27286, 35082, 40929, 52623, 81858, 105246, 122787, 157869, 245574, 315738, 368361, 473607, 736722, 947214, 1105083, 1420821, 2210166, 2841642, 3315249, 6630498, 9945747, 19891494]

約数ペア:

[(1, 19891494), (2, 9945747), (3, 6630498), (6, 3315249), (7, 2841642), (9, 2210166), (14, 1420821), (18, 1105083), (21, 947214), (27, 736722), (42, 473607), (54, 368361), (63, 315738), (81, 245574), (126, 157869), (162, 122787), (189, 105246), (243, 81858), (378, 52623), (486, 40929), (567, 35082), (729, 27286), (1134, 17541), (1458, 13643), (1701, 11694), (1949, 10206), (3402, 5847), (3898, 5103)]