18374584

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 35283600

約数和(自身を除く): 16909016

約数列:

[1, 2, 4, 8, 89, 131, 178, 197, 262, 356, 394, 524, 712, 788, 1048, 1576, 11659, 17533, 23318, 25807, 35066, 46636, 51614, 70132, 93272, 103228, 140264, 206456, 2296823, 4593646, 9187292, 18374584]

約数ペア:

[(1, 18374584), (2, 9187292), (4, 4593646), (8, 2296823), (89, 206456), (131, 140264), (178, 103228), (197, 93272), (262, 70132), (356, 51614), (394, 46636), (524, 35066), (712, 25807), (788, 23318), (1048, 17533), (1576, 11659)]