12978064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3881}}^1$

素因数の和:3919

約数の個数: 40

約数和(自身を含む): 28882080

約数和(自身を除く): 15904016

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 3881, 7762, 15524, 31048, 42691, 62096, 73739, 85382, 147478, 170764, 294956, 341528, 589912, 683056, 811129, 1179824, 1622258, 3244516, 6489032, 12978064]

約数ペア:

[(1, 12978064), (2, 6489032), (4, 3244516), (8, 1622258), (11, 1179824), (16, 811129), (19, 683056), (22, 589912), (38, 341528), (44, 294956), (76, 170764), (88, 147478), (152, 85382), (176, 73739), (209, 62096), (304, 42691), (418, 31048), (836, 15524), (1672, 7762), (3344, 3881)]