19118624

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 72

約数和(自身を含む): 44600220

約数和(自身を除く): 25481596

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 137, 178, 196, 224, 274, 356, 392, 548, 623, 712, 784, 959, 1096, 1246, 1424, 1568, 1918, 2192, 2492, 2848, 3836, 4361, 4384, 4984, 6713, 7672, 8722, 9968, 12193, 13426, 15344, 17444, 19936, 24386, 26852, 30688, 34888, 48772, 53704, 69776, 85351, 97544, 107408, 139552, 170702, 195088, 214816, 341404, 390176, 597457, 682808, 1194914, 1365616, 2389828, 2731232, 4779656, 9559312, 19118624]

約数ペア:

[(1, 19118624), (2, 9559312), (4, 4779656), (7, 2731232), (8, 2389828), (14, 1365616), (16, 1194914), (28, 682808), (32, 597457), (49, 390176), (56, 341404), (89, 214816), (98, 195088), (112, 170702), (137, 139552), (178, 107408), (196, 97544), (224, 85351), (274, 69776), (356, 53704), (392, 48772), (548, 34888), (623, 30688), (712, 26852), (784, 24386), (959, 19936), (1096, 17444), (1246, 15344), (1424, 13426), (1568, 12193), (1918, 9968), (2192, 8722), (2492, 7672), (2848, 6713), (3836, 4984), (4361, 4384)]