19816458

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1123}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 42244416

約数和(自身を除く): 22427958

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 173, 346, 519, 1038, 1123, 2246, 2941, 3369, 5882, 6738, 8823, 17646, 19091, 38182, 57273, 114546, 194279, 388558, 582837, 1165674, 3302743, 6605486, 9908229, 19816458]

約数ペア:

[(1, 19816458), (2, 9908229), (3, 6605486), (6, 3302743), (17, 1165674), (34, 582837), (51, 388558), (102, 194279), (173, 114546), (346, 57273), (519, 38182), (1038, 19091), (1123, 17646), (2246, 8823), (2941, 6738), (3369, 5882)]