19994458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 34069248

約数和(自身を除く): 14074790

約数列:

[1, 2, 11, 22, 47, 61, 94, 122, 317, 517, 634, 671, 1034, 1342, 2867, 3487, 5734, 6974, 14899, 19337, 29798, 31537, 38674, 63074, 163889, 212707, 327778, 425414, 908839, 1817678, 9997229, 19994458]

約数ペア:

[(1, 19994458), (2, 9997229), (11, 1817678), (22, 908839), (47, 425414), (61, 327778), (94, 212707), (122, 163889), (317, 63074), (517, 38674), (634, 31537), (671, 29798), (1034, 19337), (1342, 14899), (2867, 6974), (3487, 5734)]