19781616

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6151}}^1$

素因数の和:6229

約数の個数: 40

約数和(自身を含む): 51873664

約数和(自身を除く): 32092048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6151, 12302, 18453, 24604, 36906, 49208, 73812, 98416, 147624, 295248, 412117, 824234, 1236351, 1648468, 2472702, 3296936, 4945404, 6593872, 9890808, 19781616]

約数ペア:

[(1, 19781616), (2, 9890808), (3, 6593872), (4, 4945404), (6, 3296936), (8, 2472702), (12, 1648468), (16, 1236351), (24, 824234), (48, 412117), (67, 295248), (134, 147624), (201, 98416), (268, 73812), (402, 49208), (536, 36906), (804, 24604), (1072, 18453), (1608, 12302), (3216, 6151)]