19308876

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 26994612

約数列:

[1, 2, 3, 4, 6, 12, 71, 131, 142, 173, 213, 262, 284, 346, 393, 426, 519, 524, 692, 786, 852, 1038, 1572, 2076, 9301, 12283, 18602, 22663, 24566, 27903, 36849, 37204, 45326, 49132, 55806, 67989, 73698, 90652, 111612, 135978, 147396, 271956, 1609073, 3218146, 4827219, 6436292, 9654438, 19308876]

約数ペア:

[(1, 19308876), (2, 9654438), (3, 6436292), (4, 4827219), (6, 3218146), (12, 1609073), (71, 271956), (131, 147396), (142, 135978), (173, 111612), (213, 90652), (262, 73698), (284, 67989), (346, 55806), (393, 49132), (426, 45326), (519, 37204), (524, 36849), (692, 27903), (786, 24566), (852, 22663), (1038, 18602), (1572, 12283), (2076, 9301)]