18899632

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 37711872

約数和(自身を除く): 18812240

約数列:

[1, 2, 4, 8, 16, 71, 127, 131, 142, 254, 262, 284, 508, 524, 568, 1016, 1048, 1136, 2032, 2096, 9017, 9301, 16637, 18034, 18602, 33274, 36068, 37204, 66548, 72136, 74408, 133096, 144272, 148816, 266192, 1181227, 2362454, 4724908, 9449816, 18899632]

約数ペア:

[(1, 18899632), (2, 9449816), (4, 4724908), (8, 2362454), (16, 1181227), (71, 266192), (127, 148816), (131, 144272), (142, 133096), (254, 74408), (262, 72136), (284, 66548), (508, 37204), (524, 36068), (568, 33274), (1016, 18602), (1048, 18034), (1136, 16637), (2032, 9301), (2096, 9017)]