19776498

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 46440864

約数和(自身を除く): 26664366

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 491, 822, 959, 982, 1473, 1918, 2877, 2946, 3437, 5754, 6713, 6874, 10311, 13426, 20139, 20622, 24059, 40278, 48118, 67267, 72177, 134534, 144354, 201801, 403602, 470869, 941738, 1412607, 2825214, 3296083, 6592166, 9888249, 19776498]

約数ペア:

[(1, 19776498), (2, 9888249), (3, 6592166), (6, 3296083), (7, 2825214), (14, 1412607), (21, 941738), (42, 470869), (49, 403602), (98, 201801), (137, 144354), (147, 134534), (274, 72177), (294, 67267), (411, 48118), (491, 40278), (822, 24059), (959, 20622), (982, 20139), (1473, 13426), (1918, 10311), (2877, 6874), (2946, 6713), (3437, 5754)]