38907418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 66562560

約数和(自身を除く): 27655142

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 341, 641, 682, 979, 1282, 1958, 2759, 5518, 7051, 14102, 19871, 30349, 39742, 57049, 60698, 114098, 218581, 437162, 627539, 1255078, 1768519, 3537038, 19453709, 38907418]

約数ペア:

[(1, 38907418), (2, 19453709), (11, 3537038), (22, 1768519), (31, 1255078), (62, 627539), (89, 437162), (178, 218581), (341, 114098), (641, 60698), (682, 57049), (979, 39742), (1282, 30349), (1958, 19871), (2759, 14102), (5518, 7051)]