19776416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:2997

約数の個数: 48

約数和(自身を含む): 44724960

約数和(自身を除く): 24948544

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 2957, 3344, 5914, 6688, 11828, 23656, 32527, 47312, 56183, 65054, 94624, 112366, 130108, 224732, 260216, 449464, 520432, 618013, 898928, 1040864, 1236026, 1797856, 2472052, 4944104, 9888208, 19776416]

約数ペア:

[(1, 19776416), (2, 9888208), (4, 4944104), (8, 2472052), (11, 1797856), (16, 1236026), (19, 1040864), (22, 898928), (32, 618013), (38, 520432), (44, 449464), (76, 260216), (88, 224732), (152, 130108), (176, 112366), (209, 94624), (304, 65054), (352, 56183), (418, 47312), (608, 32527), (836, 23656), (1672, 11828), (2957, 6688), (3344, 5914)]